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Example 11 John preferred the using of the supercomputer.
Initial Stream: ['supercomputer', 'n_3rd_sg', 'the', 'P_of', 'use', 'n_ing', 'the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']

Successful Derivation 1


Merge 1
Merge: set-Merge
Stream: ['the', 'P_of', 'use', 'n_ing', 'the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 2
Merge: pair-Merge
Stream: ['P_of', 'use', 'n_ing', 'the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Label stays
the same:



Merge 3
Merge: set-Merge
Stream: ['use', 'n_ing', 'the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Operations: Agree: (of,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:



Merge 4
Merge: set-Merge
Stream: ['n_ing', 'the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 5
Merge: set-Merge
Stream: ['the', 'prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 6
Merge: pair-Merge
Stream: ['prefer', 'v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Label stays
the same:



Merge 7
Merge: set-Merge
Stream: ['v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 8
Merge: set-Merge
Stream: [['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Operations: Agree: (v*,ning)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:


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

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

Main Stream


Merge 10
Merge: set-Merge
Stream: [['John', 'n_3rd_msc_sg'], 'Tpast', 'C']
Unlabeled:


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


Merge 12
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #2
Continued from Merge 11

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


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

Label from
Head:

Label via
shared features:

Label from
Head:

Label from
Head:

Label via
movement:

Transfer:
Frontier:

Spell Out: C n John T(Past,3rd,sg) v* prefer the ning use of the n supercomputer
PF Rules: John T(Past,3rd,sg)+prefer
John preferred the ning+use
John preferred the using of the supercomputer

Successful Derivation 1
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Backtrack (check for another possible derivation: Free Merge): Attempt: #3
Continued from Merge 7

Merge 15
Merge: set-Merge
Stream: ['v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 16
Merge: set-Merge
Stream: [['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Operations: Agree: (v*,ning)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:
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: #4
Continued from Merge 7

Merge 17
Merge: set-Merge
Stream: ['v*', ['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:


Merge 18

Merge: set-Merge
Stream: [['n_3rd_msc_sg', 'John'], 'Tpast', 'C']
Unlabeled:
Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson uNumber uGender
Crash (Unchecked Feature):
# of Backtracks: 3
# of Crashes: 3
# of Successful Derivations: 1

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