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Example 14 John swimming is preferred/*John is preferred swimming.
Initial Stream: ['swim', 'v', ['n_3rd_msc_sg', 'John'], 'T_ing', 'C', 'prefer', 'v', 'Psv', 'Tpres', 'C']

Successful Derivation 1


Merge 1
Merge: set-Merge
Stream: [['n_3rd_msc_sg', 'John'], 'T_ing', 'C', 'prefer', 'v', 'Psv', 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['John', 'n_3rd_msc_sg']

Merge 2
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 3
Merge: set-Merge
Stream: [['John', 'n_3rd_msc_sg'], 'T_ing', 'C', 'prefer', 'v', 'Psv', 'Tpres', 'C']
Unlabeled:


Merge 4
Merge: set-Merge
Stream: ['C', 'prefer', 'v', 'Psv', 'Tpres', 'C']
Operations: Agree: (Ting,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['prefer', 'v', 'Psv', 'Tpres', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 4

Merge 6
Merge: set-Merge
Stream: ['C', 'prefer', 'v', 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 7
Merge: set-Merge
Stream: ['prefer', 'v', 'Psv', 'Tpres', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:



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


Merge 9
Merge: set-Merge
Stream: ['Psv', 'Tpres', 'C']
Unlabeled:


Merge 10
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


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


Merge 12
Merge: set-Merge
Stream: []
Unlabeled:
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: #3
Continued from Merge 11

Merge 13
Merge: set-Merge
Stream: []
FormCopy:
Unlabeled:


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

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Transfer:
Frontier:

Terminals: C C n John -ing v swim T(Pres,3rd,sg) be -en v prefer
Externalization
Rules:
John/John's Ting+swim
John/John's swimming T(Pres,3rd,sg)+be
John/John's swimming is -en+prefer
John/John's swimming is preferred

Successful Derivation 1
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #4
Continued from Merge 10

Merge 15
Merge: set-Merge
Stream: ['Tpres', 'C']
FormCopy:
Unlabeled:


Merge 16
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 17
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (No Case):

   ➔

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

Merge 18
Merge: set-Merge
Stream: ['Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 19
Merge: set-Merge
Stream: ['Tpres', 'C']
Operations: Agree: (Psv,C)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 20
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 21
Merge: set-Merge
Stream: []
Unlabeled:
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: #6
Continued from Merge 8

Merge 22
Merge: set-Merge
Stream: ['v', 'Psv', 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 23
Merge: set-Merge
Stream: ['Psv', 'Tpres', 'C']
Unlabeled:


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


Merge 25
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 26
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

# of Backtracks: 5
# of Crashes: 5
# of Successful Derivations: 1

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