Backtrack (check for another possible derivation: Free Merge): Attempt: #244
Continued from Merge 732

Merge 734

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


Merge 735
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 via
movement:

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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #245
Continued from Merge 725

Merge 736
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 737
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 738
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 739
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 via
movement:

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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #246
Continued from Merge 738

Merge 740
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 741
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 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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #247
Continued from Merge 737

Merge 742
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 743
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 744
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 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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #248
Continued from Merge 743

Merge 745
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 746
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 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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #249
Continued from Merge 724

Merge 747
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 748
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 749
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 750
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 751
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 via
movement:

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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #250
Continued from Merge 750

Merge 752
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 753
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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 93
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #251
Continued from Merge 749

Merge 754
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 755
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 756
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 via
movement:

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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #252
Continued from Merge 755

Merge 757
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 758
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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 94
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #253
Continued from Merge 748

Merge 759
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 760
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 761
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 762
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
movement:

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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #254
Continued from Merge 761

Merge 763
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 764
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 via
movement:

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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 95
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #255
Continued from Merge 760

Merge 765
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 766
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 767
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 via
movement:

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 via
movement:

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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #256
Continued from Merge 766

Merge 768
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 769
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 via
movement:

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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 96
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #257
Continued from Merge 3

Merge 770
Merge: set-Merge
Stream: ['v', 'Psv', 'Perf', 'toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 771
Merge: set-Merge
Stream: ['Psv', 'Perf', 'toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 772
Merge: set-Merge
Stream: ['Perf', 'toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 773
Merge: set-Merge
Stream: ['toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 774
Merge: set-Merge
Stream: ['believe', 'v', 'Psv', 'Tpast', 'C']
Operations: Agree: (toT,Psv)
Checked Features: 'uPerson'
Unlabeled:


Merge 775
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 776
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 777
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 778
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 779
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 from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #258
Continued from Merge 778

Merge 780
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 781
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 97
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #259
Continued from Merge 777

Merge 782
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 783
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 784
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #260
Continued from Merge 783

Merge 785
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 786
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 98
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #261
Continued from Merge 776

Merge 787
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 788
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 789
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 790
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #262
Continued from Merge 789

Merge 791
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 792
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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 99
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #263
Continued from Merge 788

Merge 793
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 794
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 795
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 via
movement:

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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #264
Continued from Merge 794

Merge 796
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 797
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 via
movement:

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:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 100
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #265
Continued from Merge 775

Merge 798
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 799
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 800
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 801
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 802
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #266
Continued from Merge 801

Merge 803
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 804
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 101
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #267
Continued from Merge 800

Merge 805
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 806
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 807
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #268
Continued from Merge 806

Merge 808
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 809
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 from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 102
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #269
Continued from Merge 799

Merge 810
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 811
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 812
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 813
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
movement:

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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #270
Continued from Merge 812

Merge 814
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 815
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 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:

Label via
movement:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C several n fish T(Past,3rd,pl) be -en v believe toT have -en be -en v catch
Externalization
Rules:
several fish T(Past,3rd,pl)+be
several fish were -en+believe
several fish were believed to have -en+be
several fish were believed to have been -en+catch
several fish were believed to have been caught

Successful Derivation 103
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