Backtrack (check for another possible derivation: Free Merge): Attempt: #325
Continued from Merge 967

Merge 978

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


Merge 979
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 980
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 981
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 via
movement:

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: #326
Continued from Merge 980

Merge 982
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 983
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 via
movement:

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 123
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #327
Continued from Merge 979

Merge 984
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 985
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 986
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 via
movement:

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: #328
Continued from Merge 985

Merge 987
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 988
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 via
movement:

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 124
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #329
Continued from Merge 966

Merge 989
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 990
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 991
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 992
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 993
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 via
movement:

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: #330
Continued from Merge 992

Merge 994
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 995
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 via
movement:

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 125
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #331
Continued from Merge 991

Merge 996
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 997
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 998
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 via
movement:

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: #332
Continued from Merge 997

Merge 999
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1000
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 via
movement:

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 126
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #333
Continued from Merge 990

Merge 1001
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1002
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1003
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1004
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 via
movement:

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: #334
Continued from Merge 1003

Merge 1005
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1006
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 via
movement:

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 127
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #335
Continued from Merge 1002

Merge 1007
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1008
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1009
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 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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #336
Continued from Merge 1008

Merge 1010
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1011
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 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:

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 128
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #337
Continued from Merge 965

Merge 1012
Merge: set-Merge
Stream: ['believe', 'v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1013
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 1014
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 1015
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1016
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1017
Merge: set-Merge
Stream: []
Unlabeled:
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 via
movement:

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: #338
Continued from Merge 1016

Merge 1018
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1019
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 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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #339
Continued from Merge 1015

Merge 1020
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1021
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1022
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 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:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #340
Continued from Merge 1021

Merge 1023
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1024
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 from
Head:

Label via
movement:

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: #341
Continued from Merge 1014

Merge 1025
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1026
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1027
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1028
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 via
movement:

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: #342
Continued from Merge 1027

Merge 1029
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1030
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 from
Head:

Label via
movement:

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: #343
Continued from Merge 1026

Merge 1031
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1032
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1033
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 from
Head:

Label via
movement:

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: #344
Continued from Merge 1032

Merge 1034
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1035
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 from
Head:

Label via
movement:

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: #345
Continued from Merge 1013

Merge 1036
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1037
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 1038
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1039
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1040
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 via
movement:

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: #346
Continued from Merge 1039

Merge 1041
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1042
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 via
movement:

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 129
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #347
Continued from Merge 1038

Merge 1043
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1044
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1045
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 via
movement:

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: #348
Continued from Merge 1044

Merge 1046
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1047
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 via
movement:

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 130
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #349
Continued from Merge 1037

Merge 1048
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1049
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1050
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1051
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 from
Head:

Label via
movement:

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: #350
Continued from Merge 1050

Merge 1052
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1053
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 from
Head:

Label via
movement:

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 131
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #351
Continued from Merge 1049

Merge 1054
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 1055
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1056
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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Next

Top