Home

Example 7 John expects Mary to arrive.
Initial Stream: ['Mary', 'n_2nd_sg', 'arrive', 'v', 'toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']

Successful Derivation 1
Successful Derivation 2
Successful Derivation 3
Successful Derivation 4
Successful Derivation 5


Merge 1
Merge: set-Merge
Stream: ['arrive', 'v', 'toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 2
Merge: set-Merge
Stream: ['v', 'toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 3
Merge: set-Merge
Stream: ['toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 4
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 6
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:


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

Merge 7
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 8
Merge: set-Merge
Stream: [['John', 'n_3rd_sg'], 'Tpres', 'C']
Unlabeled:


Merge 9
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 10
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: #2
Continued from Merge 9

Merge 11
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 12
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 John T(Pres,3rd,sg) v* expect toT v arrive n Mary
PF Rules: John T(Pres,3rd,sg)+expect
John expects to arrive Mary

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 5

Merge 13
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 14
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

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

Merge 15
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 16
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 17
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

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

Merge 18
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 19
Merge: set-Merge
Stream: [['John', 'n_3rd_sg'], 'Tpres', 'C']
Unlabeled:


Merge 20
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 21
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: #5
Continued from Merge 20

Merge 22
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 23
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 John T(Pres,3rd,sg) v* expect n Mary toT v arrive
PF Rules: John T(Pres,3rd,sg)+expect
John expects Mary to arrive

Successful Derivation 2
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 16

Merge 24
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 25
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 3

Merge 26
Merge: set-Merge
Stream: ['toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 27
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 28
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 29
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 28

Merge 30
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 31
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 27

Merge 32
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 33
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 34
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

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

Merge 35
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 36
Merge: set-Merge
Stream: [['John', 'n_3rd_sg'], 'Tpres', 'C']
Unlabeled:


Merge 37
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 38
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: #10
Continued from Merge 37

Merge 39
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 40
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 John T(Pres,3rd,sg) v* expect n Mary toT v arrive
PF Rules: John T(Pres,3rd,sg)+expect
John expects Mary to arrive

Successful Derivation 3
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #11
Continued from Merge 33

Merge 41
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 42
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #12
Continued from Merge 2

Merge 43
Merge: set-Merge
Stream: ['v', 'toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 44
Merge: set-Merge
Stream: ['toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 45
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 46
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 47
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 46

Merge 48
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 49
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 45

Merge 50
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 51
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 52
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:

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

Merge 53
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 54
Merge: set-Merge
Stream: [['John', 'n_3rd_sg'], 'Tpres', 'C']
Unlabeled:


Merge 55
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 56
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: #15
Continued from Merge 55

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


Merge 58
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 John T(Pres,3rd,sg) v* expect n Mary toT v arrive
PF Rules: John T(Pres,3rd,sg)+expect
John expects Mary to arrive

Successful Derivation 4
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 51

Merge 59
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 60
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 44

Merge 61
Merge: set-Merge
Stream: ['toT', 'expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 62
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:


Merge 63
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 64
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #18
Continued from Merge 63

Merge 65
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 66
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #19
Continued from Merge 62

Merge 67
Merge: set-Merge
Stream: ['expect', 'v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 68
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 69
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:

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

Merge 70
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 71
Merge: set-Merge
Stream: [['John', 'n_3rd_sg'], 'Tpres', 'C']
Unlabeled:


Merge 72
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 73
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: #20
Continued from Merge 72

Merge 74
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 75
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 John T(Pres,3rd,sg) v* expect n Mary toT v arrive
PF Rules: John T(Pres,3rd,sg)+expect
John expects Mary to arrive

Successful Derivation 5
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #21
Continued from Merge 68

Merge 76
Merge: set-Merge
Stream: ['v*', ['n_3rd_sg', 'John'], 'Tpres', 'C']
Unlabeled:


Merge 77
Merge: set-Merge
Stream: [['n_3rd_sg', 'John'], 'Tpres', '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:

FormCopy:
Crash (Unlabeled):

# of Backtracks: 20
# of Crashes: 16
# of Successful Derivations: 5

Top