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Example 7 Susan preferred him being late for dinner. (Pires 2007, 165)
Initial Stream: ['he', 'n_3rd_sg', 'late', 'adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']

Successful Derivation 1
Successful Derivation 2
Successful Derivation 3
Successful Derivation 4
Successful Derivation 5
Successful Derivation 6
Successful Derivation 7
Successful Derivation 8


Merge 1
Merge: set-Merge
Stream: ['late', 'adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 2
Merge: set-Merge
Stream: ['adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 3
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 4
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 5
Merge: set-Merge
Stream: []
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 6
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Label stays
the same:



Merge 7
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 8
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 9
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 10
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 11
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 10

Merge 12
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 13
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 9

Merge 14
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 15
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 16
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #4
Continued from Merge 15

Merge 17
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 18
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #5
Continued from Merge 8

Merge 19
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 20
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 21
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 22
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 21

Merge 23
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 24
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 20

Merge 25
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 26
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 27
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 26

Merge 28
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 29
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 7

Merge 30
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 31
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 32
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 33
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 34
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #10
Continued from Merge 33

Merge 35
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 36
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #11
Continued from Merge 32

Merge 37
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 38
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 39
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 40
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 41
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 42
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 43
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #12
Continued from Merge 42

Merge 44
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 45
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 38

Merge 46
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 47
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 31

Merge 48
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 49
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 50
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 51
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #15
Continued from Merge 50

Merge 52
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 53
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 49

Merge 54
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 55
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 56
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 57
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 58
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 59
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 60
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 59

Merge 61
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 62
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 2
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #18
Continued from Merge 55

Merge 63
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 64
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #19
Continued from Merge 3

Merge 65
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 66
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 67
Merge: set-Merge
Stream: []
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 68
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Label stays
the same:



Merge 69
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 70
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 71
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 72
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 73
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #20
Continued from Merge 72

Merge 74
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 75
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #21
Continued from Merge 71

Merge 76
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 77
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 78
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #22
Continued from Merge 77

Merge 79
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 80
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #23
Continued from Merge 70

Merge 81
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 82
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 83
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 84
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #24
Continued from Merge 83

Merge 85
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 86
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #25
Continued from Merge 82

Merge 87
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 88
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 89
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #26
Continued from Merge 88

Merge 90
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 91
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #27
Continued from Merge 69

Merge 92
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 93
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 94
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 95
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 96
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #28
Continued from Merge 95

Merge 97
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 98
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #29
Continued from Merge 94

Merge 99
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 100
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 101
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 102
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 103
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 104
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 105
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #30
Continued from Merge 104

Merge 106
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 107
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 3
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #31
Continued from Merge 100

Merge 108
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 109
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #32
Continued from Merge 93

Merge 110
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 111
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 112
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 113
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #33
Continued from Merge 112

Merge 114
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 115
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #34
Continued from Merge 111

Merge 116
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 117
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 118
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 119
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 120
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 121
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 122
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #35
Continued from Merge 121

Merge 123
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 124
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 4
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #36
Continued from Merge 117

Merge 125
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 126
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #37
Continued from Merge 2

Merge 127
Merge: set-Merge
Stream: ['adj', ['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 128
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 129
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 130
Merge: set-Merge
Stream: []
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 131
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Label stays
the same:



Merge 132
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 133
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 134
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 135
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 136
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #38
Continued from Merge 135

Merge 137
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 138
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #39
Continued from Merge 134

Merge 139
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 140
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 141
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #40
Continued from Merge 140

Merge 142
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 143
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #41
Continued from Merge 133

Merge 144
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 145
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 146
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 147
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #42
Continued from Merge 146

Merge 148
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 149
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #43
Continued from Merge 145

Merge 150
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 151
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 152
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #44
Continued from Merge 151

Merge 153
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 154
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #45
Continued from Merge 132

Merge 155
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 156
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 157
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 158
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 159
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #46
Continued from Merge 158

Merge 160
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 161
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #47
Continued from Merge 157

Merge 162
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 163
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 164
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 165
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 166
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 167
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 168
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #48
Continued from Merge 167

Merge 169
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 170
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 5
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #49
Continued from Merge 163

Merge 171
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 172
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #50
Continued from Merge 156

Merge 173
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 174
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 175
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 176
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #51
Continued from Merge 175

Merge 177
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 178
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #52
Continued from Merge 174

Merge 179
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 180
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 181
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 182
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 183
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 184
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 185
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #53
Continued from Merge 184

Merge 186
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 187
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 6
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #54
Continued from Merge 180

Merge 188
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 189
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #55
Continued from Merge 128

Merge 190
Merge: set-Merge
Stream: [['P_for', 'n_3rd_sg', 'dinner'], 'be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:

Substream
Stream: ['dinner', 'n_3rd_sg', 'P_for']

Merge 191
Merge: set-Merge
Stream: ['P_for']
Unlabeled:


Merge 192
Merge: set-Merge
Stream: []
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:


Main Stream


Merge 193
Merge: pair-Merge
Stream: ['be', 'v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Label stays
the same:



Merge 194
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 195
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 196
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 197
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 198
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #56
Continued from Merge 197

Merge 199
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 200
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #57
Continued from Merge 196

Merge 201
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 202
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 203
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #58
Continued from Merge 202

Merge 204
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 205
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #59
Continued from Merge 195

Merge 206
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 207
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 208
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 209
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #60
Continued from Merge 208

Merge 210
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 211
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #61
Continued from Merge 207

Merge 212
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 213
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 214
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #62
Continued from Merge 213

Merge 215
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 216
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #63
Continued from Merge 194

Merge 217
Merge: set-Merge
Stream: ['v', 'T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 218
Merge: set-Merge
Stream: ['T_ing', 'prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 219
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 220
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 221
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #64
Continued from Merge 220

Merge 222
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 223
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #65
Continued from Merge 219

Merge 224
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 225
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 226
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 227
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 228
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 229
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 230
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #66
Continued from Merge 229

Merge 231
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 232
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 7
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #67
Continued from Merge 225

Merge 233
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 234
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #68
Continued from Merge 218

Merge 235
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 236
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 237
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 238
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #69
Continued from Merge 237

Merge 239
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 240
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #70
Continued from Merge 236

Merge 241
Merge: set-Merge
Stream: ['prefer', 'v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 242
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 243
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['Susan_1', 'n_3rd_sg']

Merge 244
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 245
Merge: set-Merge
Stream: [['Susan_1', 'n_3rd_sg'], 'Tpast', 'C']
Unlabeled:


Merge 246
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 247
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #71
Continued from Merge 246

Merge 248
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 249
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n Susan1 T(Past,3rd,sg) v* prefer n him -ing v be adj late for n dinner
PF Rules: Susan1 T(Past,3rd,sg)+prefer
Susan1 preferred him Ting+be
Susan preferred him bing late for dinner

Successful Derivation 8
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #72
Continued from Merge 242

Merge 250
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Unlabeled:


Merge 251
Merge: set-Merge
Stream: [['n_3rd_sg', 'Susan_1'], 'Tpast', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):

# of Backtracks: 71
# of Crashes: 64
# of Successful Derivations: 8

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