Backtrack (check for another possible derivation: Free Merge): Attempt: #109
Continued from Merge 318

Merge 329

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


Merge 330
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 331
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 332
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #110
Continued from Merge 331

Merge 333
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 334
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

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 43
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #111
Continued from Merge 330

Merge 335
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 336
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 337
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #112
Continued from Merge 336

Merge 338
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 339
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

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 44
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #113
Continued from Merge 293

Merge 340
Merge: set-Merge
Stream: ['believe', 'v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 341
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 342
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 343
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 344
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 345
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #114
Continued from Merge 344

Merge 346
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 347
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #115
Continued from Merge 343

Merge 348
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 349
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 350
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 via
movement:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #116
Continued from Merge 349

Merge 351
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 352
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #117
Continued from Merge 342

Merge 353
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 354
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 355
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 356
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 from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #118
Continued from Merge 355

Merge 357
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 358
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #119
Continued from Merge 354

Merge 359
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 360
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 361
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #120
Continued from Merge 360

Merge 362
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 363
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #121
Continued from Merge 341

Merge 364
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 365
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 366
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 367
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 368
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 from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #122
Continued from Merge 367

Merge 369
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 370
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 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 45
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #123
Continued from Merge 366

Merge 371
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 372
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 373
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #124
Continued from Merge 372

Merge 374
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 375
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 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 46
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #125
Continued from Merge 365

Merge 376
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 377
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 378
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 379
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 from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #126
Continued from Merge 378

Merge 380
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 381
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 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 47
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #127
Continued from Merge 377

Merge 382
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 383
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 384
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 from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #128
Continued from Merge 383

Merge 385
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 386
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 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 48
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #129
Continued from Merge 4

Merge 387
Merge: set-Merge
Stream: ['Psv', 'Perf', 'toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 388
Merge: set-Merge
Stream: ['Perf', 'toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 389
Merge: set-Merge
Stream: ['toT', 'believe', 'v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 390
Merge: set-Merge
Stream: ['believe', 'v', 'Psv', 'Tpast', 'C']
Operations: Agree: (toT,Psv)
Checked Features: 'uPerson'
Unlabeled:


Merge 391
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpast', 'C']
Unlabeled:


Merge 392
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
Unlabeled:


Merge 393
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 394
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 395
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: #130
Continued from Merge 394

Merge 396
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 397
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 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 49
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #131
Continued from Merge 393

Merge 398
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 399
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 400
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

Backtrack (check for another possible derivation: Free Merge): Attempt: #132
Continued from Merge 399

Merge 401
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 402
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 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 50
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Backtrack (check for another possible derivation: Free Merge): Attempt: #133
Continued from Merge 392

Merge 403
Merge: set-Merge
Stream: ['Psv', 'Tpast', 'C']
FormCopy:
Unlabeled:


Merge 404
Merge: set-Merge
Stream: ['Tpast', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 405
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 406
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #134
Continued from Merge 405

Merge 407
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 408
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 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 51
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #135
Continued from Merge 404

Merge 409
Merge: set-Merge
Stream: ['Tpast', 'C']
FormCopy:
Unlabeled:


Merge 410
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpast,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 411
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

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