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Example 11 We expect there to have been several fish caught./?We expect there to have been caught several fish. (Chomsky 2001: 17)
Initial Stream: ['fish', 'n_pl_3rd', 'several', 'catch', 'Psv', 'Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']

Successful Derivation 1


Merge 1
Merge: set-Merge
Stream: ['several', 'catch', 'Psv', 'Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 2
Merge: pair-Merge
Stream: ['catch', 'Psv', 'Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Label stays
the same:



Merge 3
Merge: set-Merge
Stream: ['Psv', 'Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 4
Merge: set-Merge
Stream: ['Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 6
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

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

Main Stream


Merge 8
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 9
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 10
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
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Label via
shared features:

Label from
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Label from
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Label from
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Label from
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Label from
Head:


Substream
Stream: ['we', 'n_pl_1st']

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

Main Stream


Merge 12
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 13
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 14
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 13

Merge 15
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 16
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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Label via
shared features:

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Label from
Head:

FormCopy:
Label via
movement:

Transfer:
Frontier:

Spell Out: C n we T(Pres,1st,pl) v* expect n there toT have -en be -en catch several n fish
PF Rules: we T(Pres,1st,pl)+expect
we expect there to have -en+be
we expect there to have been -en+catch
we expect there to have been caught several fish

Successful Derivation 1
Top

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

Merge 17
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 18
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Label from
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FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #4
Continued from Merge 9

Merge 19
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 20
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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FormCopy:
Label from
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Label via
movement:

Label from
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Label from
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Label from
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Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #5
Continued from Merge 6

Merge 21
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

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

Main Stream


Merge 23
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 24
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 25
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
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Label via
shared features:

Label from
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Label from
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FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 26
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 27
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 28
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 29
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 28

Merge 30
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 31
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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shared features:

Label from
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FormCopy:
Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 24

Merge 32
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 33
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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Label via
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 24

Merge 34
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 35
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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FormCopy:
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FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 5

Merge 36
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 37
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 38
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 39
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 40
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 41
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
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shared features:

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FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 42
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 43
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 44
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


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

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #10
Continued from Merge 44

Merge 46
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 47
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label from
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Label from
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FormCopy:
Label via
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #11
Continued from Merge 40

Merge 48
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 49
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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Label from
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FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #12
Continued from Merge 40

Merge 50
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 51
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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FormCopy:
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FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 37

Merge 52
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

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

Main Stream


Merge 54
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 55
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 56
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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FormCopy:
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FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

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

Main Stream


Merge 58
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', '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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 59

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


Merge 62
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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FormCopy:
Label via
movement:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #15
Continued from Merge 55

Merge 63
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 64
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 55

Merge 65
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 66
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 4

Merge 67
Merge: set-Merge
Stream: ['Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 68
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 69
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

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

Main Stream


Merge 71
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 72
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 73
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

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

Main Stream


Merge 75
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 76
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 77
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #18
Continued from Merge 76

Merge 78
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 79
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label from
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Label via
shared features:

Label from
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FormCopy:
Label via
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #19
Continued from Merge 72

Merge 80
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 81
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Crash (Unlabeled):

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

Merge 82
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 83
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #21
Continued from Merge 69

Merge 84
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 85
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 86
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 87
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 88
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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Substream
Stream: ['we', 'n_pl_1st']

Merge 89
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 90
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 91
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 92
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #22
Continued from Merge 91

Merge 93
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 94
Merge: set-Merge
Stream: []
Unlabeled:
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FormCopy:
Label via
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #23
Continued from Merge 87

Merge 95
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 96
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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Label via
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #24
Continued from Merge 87

Merge 97
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 98
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #25
Continued from Merge 68

Merge 99
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 100
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 101
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 102
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 103
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 104
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
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Substream
Stream: ['we', 'n_pl_1st']

Merge 105
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 106
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 107
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 108
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #26
Continued from Merge 107

Merge 109
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 110
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #27
Continued from Merge 103

Merge 111
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 112
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #28
Continued from Merge 103

Merge 113
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 114
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
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 100

Merge 115
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 116
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 117
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 118
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 119
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:

Substream
Stream: ['we', 'n_pl_1st']

Merge 120
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 121
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 122
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 123
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #30
Continued from Merge 122

Merge 124
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 125
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #31
Continued from Merge 118

Merge 126
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 127
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

FormCopy:
Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #32
Continued from Merge 118

Merge 128
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 129
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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
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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #33
Continued from Merge 3

Merge 130
Merge: set-Merge
Stream: ['Psv', 'Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 131
Merge: set-Merge
Stream: ['Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 132
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 133
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 134
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 135
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 136
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 137
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 138
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 139
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 140
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 141
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #34
Continued from Merge 140

Merge 142
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 143
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #35
Continued from Merge 136

Merge 144
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 145
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #36
Continued from Merge 136

Merge 146
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 147
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

Label from
Head:

FormCopy:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #37
Continued from Merge 133

Merge 148
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 149
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 150
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 151
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 152
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:

Substream
Stream: ['we', 'n_pl_1st']

Merge 153
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 154
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 155
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 156
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #38
Continued from Merge 155

Merge 157
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 158
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #39
Continued from Merge 151

Merge 159
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 160
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #40
Continued from Merge 151

Merge 161
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 162
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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
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:
Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #41
Continued from Merge 132

Merge 163
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 164
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

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

Main Stream


Merge 166
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 167
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 168
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

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

Main Stream


Merge 170
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 171
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 172
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #42
Continued from Merge 171

Merge 173
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 174
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #43
Continued from Merge 167

Merge 175
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 176
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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 167

Merge 177
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 178
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

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 164

Merge 179
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 180
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 181
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 182
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 183
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:

Substream
Stream: ['we', 'n_pl_1st']

Merge 184
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 185
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 186
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


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

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #46
Continued from Merge 186

Merge 188
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 189
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #47
Continued from Merge 182

Merge 190
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 191
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #48
Continued from Merge 182

Merge 192
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 193
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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
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: #49
Continued from Merge 131

Merge 194
Merge: set-Merge
Stream: ['Perf', 'toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 195
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 196
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 197
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 198
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 199
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 200
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 201
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 202
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 203
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 204
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #50
Continued from Merge 203

Merge 205
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 206
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #51
Continued from Merge 199

Merge 207
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 208
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
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 199

Merge 209
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 210
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:

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: #53
Continued from Merge 196

Merge 211
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 212
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 213
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 214
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 215
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 216
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 217
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 218
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 219
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #54
Continued from Merge 218

Merge 220
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 221
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #55
Continued from Merge 214

Merge 222
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 223
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #56
Continued from Merge 214

Merge 224
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 225
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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
shared features:

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 195

Merge 226
Merge: set-Merge
Stream: ['toT', ['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 227
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson'
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 228
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 229
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 230
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 231
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 232
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 233
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 234
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 235
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #58
Continued from Merge 234

Merge 236
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 237
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #59
Continued from Merge 230

Merge 238
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 239
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
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 230

Merge 240
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 241
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
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 227

Merge 242
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 243
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 244
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'expect', 'v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 245
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 246
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], 'Tpres', 'C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:

Substream
Stream: ['we', 'n_pl_1st']

Merge 247
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 248
Merge: set-Merge
Stream: [['we', 'n_pl_1st'], 'Tpres', 'C']
Unlabeled:


Merge 249
Merge: set-Merge
Stream: ['C']
Operations: Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 250
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #62
Continued from Merge 249

Merge 251
Merge: set-Merge
Stream: ['C']
Unlabeled:


Merge 252
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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #63
Continued from Merge 245

Merge 253
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 254
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Label via
shared features:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #64
Continued from Merge 245

Merge 255
Merge: set-Merge
Stream: ['v*', ['n_pl_1st', 'we'], 'Tpres', 'C']
Unlabeled:


Merge 256
Merge: set-Merge
Stream: [['n_pl_1st', 'we'], '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
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:
Label from
Head:

Label via
movement:

Label from
Head:

FormCopy:
Crash (Unlabeled):


# of Merges: 256
# of Backtracks: 63
# of Crashes: 648
# of Successful Derivations: 1

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