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Example 13 There are expected to be caught many fish./There are expected to be many fish caught./There are expected many fish to be caught./There are many fish expected to be caught. (Chomsky 2001:25)
Initial Stream: ['fish', 'n_pl_3rd', 'many', 'catch', 'v', 'Psv', 'toT', 'expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', '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
Successful Derivation 9
Successful Derivation 10
Successful Derivation 11
Successful Derivation 12
Successful Derivation 13
Successful Derivation 14
Successful Derivation 15
Successful Derivation 16
Successful Derivation 17
Successful Derivation 18
Successful Derivation 19
Successful Derivation 20
Successful Derivation 21
Successful Derivation 22
Successful Derivation 23
Successful Derivation 24
Successful Derivation 25
Successful Derivation 26


Merge 1
Merge: set-Merge
Stream: ['many', 'catch', 'v', 'Psv', 'toT', 'expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:


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



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


Merge 4
Merge: set-Merge
Stream: ['Psv', 'toT', 'expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['toT', 'expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 6
Merge: set-Merge
Stream: ['expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Operations: Agree: (toT,Psv)
Checked Features: 'uPerson'
Unlabeled:


Merge 7
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 8
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:

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

Merge 9
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 10
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 11
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 12
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 13
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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
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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:

Crash (Unlabeled):

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

Merge 14
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 15
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
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Label from
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movement:

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Transfer:
Frontier:

Terminals: C n there T(Pres,3rd,pl) be -en v expect toT be -en v catch many n fish
Externalization
Rules:
there T(Pres,3rd,pl)+be
there are -en+expect
there are expected to be -en+catch
there are expected to be caught many fish

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 11

Merge 16
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 17
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


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

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Crash (No Case):

   ➔

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

Merge 19
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 20
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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shared Person:

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movement:

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movement:

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Transfer:
Frontier:

Terminals: C n there T(Pres,3rd,pl) be -en v expect toT be -en v catch many n fish
Externalization
Rules:
there T(Pres,3rd,pl)+be
there are -en+expect
there are expected to be -en+catch
there are expected to be caught many fish

Successful Derivation 2
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #5
Continued from Merge 10

Merge 21
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

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

Main Stream


Merge 23
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 24
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 25
Merge: set-Merge
Stream: []
Unlabeled:
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Head:

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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #6
Continued from Merge 24

Merge 26
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 27
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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shared features:

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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #7
Continued from Merge 23

Merge 28
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 29
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 30
Merge: set-Merge
Stream: []
Unlabeled:
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shared features:

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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #8
Continued from Merge 29

Merge 31
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 32
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label via
shared features:

Label from
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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #9
Continued from Merge 8

Merge 33
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 34
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 35
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 36
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 37
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 38
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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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: #10
Continued from Merge 37

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


Merge 40
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Label via
shared Person:

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: #11
Continued from Merge 36

Merge 41
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 42
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


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

Label from
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Label via
shared Person:

Label from
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Crash (Unlabeled):

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

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


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

Label from
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Label via
shared Person:

Label from
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Label from
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movement:

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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #13
Continued from Merge 35

Merge 46
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 47
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 48
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 49
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 50
Merge: set-Merge
Stream: []
Unlabeled:
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 via
movement:

Label from
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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #14
Continued from Merge 49

Merge 51
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 52
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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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movement:

Label from
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Label from
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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #15
Continued from Merge 48

Merge 53
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 54
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 55
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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movement:

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Label from
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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #16
Continued from Merge 54

Merge 56
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


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

Label from
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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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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #17
Continued from Merge 7

Merge 58
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 59
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:

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

Merge 60
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 61
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 62
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 63
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 64
Merge: set-Merge
Stream: []
Unlabeled:
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: #18
Continued from Merge 63

Merge 65
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 66
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Label via
shared Person:

Label from
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Label from
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Label from
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Label from
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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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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: #19
Continued from Merge 62

Merge 67
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 68
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 69
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Label from
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shared Person:

Label from
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Label from
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movement:

Label from
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Label from
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Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #20
Continued from Merge 68

Merge 70
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 71
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
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Label via
shared Person:

Label from
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Label from
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movement:

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movement:

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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: #21
Continued from Merge 61

Merge 72
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 73
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 74
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 75
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 76
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label via
movement:

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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #22
Continued from Merge 75

Merge 77
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 78
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label via
shared features:

Label from
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movement:

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Label from
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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #23
Continued from Merge 74

Merge 79
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 80
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 81
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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shared features:

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movement:

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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #24
Continued from Merge 80

Merge 82
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 83
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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Label via
shared features:

Label from
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movement:

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Label from
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Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #25
Continued from Merge 59

Merge 84
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

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

Main Stream


Merge 86
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 87
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 88
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 89
Merge: set-Merge
Stream: []
Unlabeled:
Label from
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movement:

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Label from
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Crash (Unlabeled):

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

Merge 90
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 91
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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Label via
shared Person:

Label from
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movement:

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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: #27
Continued from Merge 87

Merge 92
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 93
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 94
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

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Label via
shared Person:

Label from
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Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

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: #28
Continued from Merge 93

Merge 95
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 96
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

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: #29
Continued from Merge 86

Merge 97
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 98
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 99
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 100
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 101
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #30
Continued from Merge 100

Merge 102
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 103
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #31
Continued from Merge 99

Merge 104
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 105
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 106
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #32
Continued from Merge 105

Merge 107
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


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

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #33
Continued from Merge 6

Merge 109
Merge: set-Merge
Stream: ['expect', 'v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 110
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 111
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:

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

Merge 112
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 113
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 114
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 115
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 116
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

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: #34
Continued from Merge 115

Merge 117
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 118
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C n there T(Pres,3rd,pl) be -en v expect many n fish toT be -en v catch
Externalization
Rules:
there T(Pres,3rd,pl)+be
there are -en+expect
there are expected many fish to be -en+catch
there are expected many fish to be caught

Successful Derivation 3
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #35
Continued from Merge 114

Merge 119
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 120
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 121
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #36
Continued from Merge 120

Merge 122
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


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

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C n there T(Pres,3rd,pl) be -en v expect many n fish toT be -en v catch
Externalization
Rules:
there T(Pres,3rd,pl)+be
there are -en+expect
there are expected many fish to be -en+catch
there are expected many fish to be caught

Successful Derivation 4
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #37
Continued from Merge 113

Merge 124
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 125
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 126
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 127
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 128
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #38
Continued from Merge 127

Merge 129
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 130
Merge: set-Merge
Stream: []
Unlabeled:
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:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #39
Continued from Merge 126

Merge 131
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 132
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 133
Merge: set-Merge
Stream: []
Unlabeled:
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:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #40
Continued from Merge 132

Merge 134
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 135
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #41
Continued from Merge 111

Merge 136
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 137
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 138
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 139
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 140
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 141
Merge: set-Merge
Stream: []
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 via
movement:

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: #42
Continued from Merge 140

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


Merge 143
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

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: #43
Continued from Merge 139

Merge 144
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 145
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 146
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

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: #44
Continued from Merge 145

Merge 147
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 148
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

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: #45
Continued from Merge 138

Merge 149
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:

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

Merge 150
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 151
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 152
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 153
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #46
Continued from Merge 152

Merge 154
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 155
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #47
Continued from Merge 151

Merge 156
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 157
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 158
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #48
Continued from Merge 157

Merge 159
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 160
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #49
Continued from Merge 110

Merge 161
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 162
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Psv', 'Tpres', 'C']
Unlabeled:

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

Merge 163
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 164
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 165
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Unified Features: uPerson
Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 166
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 167
Merge: set-Merge
Stream: []
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Next

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