Backtrack (check for another possible derivation: Free Merge): Attempt: #251
Continued from Merge 874

Merge 879

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

Substream
Stream: ['n_Expl', 'there']

Merge 880
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 881
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 882
Merge: set-Merge
Stream: []
Unlabeled:
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #252
Continued from Merge 881

Merge 883
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 884
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #253
Continued from Merge 872

Merge 885
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 886
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 887
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 888
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 889
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 888

Merge 890
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 891
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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: #255
Continued from Merge 887

Merge 892
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 893
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 894
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 895
Merge: set-Merge
Stream: []
Unlabeled:
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #256
Continued from Merge 894

Merge 896
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 897
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

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

Merge 898
Merge: set-Merge
Stream: ['v', 'Psv', 'Perf', 'toT', 'seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 899
Merge: set-Merge
Stream: ['Psv', 'Perf', 'toT', 'seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:


Merge 900
Merge: set-Merge
Stream: ['Perf', 'toT', 'seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
Operations: Agree: (Psv,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 901
Merge: set-Merge
Stream: ['toT', 'seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:


Merge 902
Merge: set-Merge
Stream: ['seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
Operations: Agree: (toT,Psv)
Checked Features: 'uPerson'
Unlabeled:


Merge 903
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:


Merge 904
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 905
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 906
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 907
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,Psv)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 908
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 907

Merge 909
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 910
Merge: set-Merge
Stream: []
Unlabeled:
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 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: #259
Continued from Merge 906

Merge 911
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 912
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 913
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 914
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #260
Continued from Merge 913

Merge 915
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 916
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #261
Continued from Merge 904

Merge 917
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 918
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 919
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 920
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 921
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 920

Merge 922
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 923
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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: #263
Continued from Merge 919

Merge 924
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 925
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 926
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 927
Merge: set-Merge
Stream: []
Unlabeled:
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #264
Continued from Merge 926

Merge 928
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 929
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #265
Continued from Merge 903

Merge 930
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 931
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 932
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 933
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 934
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 935
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 934

Merge 936
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 937
Merge: set-Merge
Stream: []
Unlabeled:
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 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: #267
Continued from Merge 933

Merge 938
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 939
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 940
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 941
Merge: set-Merge
Stream: []
Unlabeled:
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #268
Continued from Merge 940

Merge 942
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 943
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #269
Continued from Merge 931

Merge 944
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 945
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 946
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 947
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 948
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 947

Merge 949
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 950
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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: #271
Continued from Merge 946

Merge 951
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 952
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 953
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 954
Merge: set-Merge
Stream: []
Unlabeled:
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #272
Continued from Merge 953

Merge 955
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 956
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:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #273
Continued from Merge 902

Merge 957
Merge: set-Merge
Stream: ['seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 958
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:


Merge 959
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 960
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 961
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 962
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 963
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 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: #274
Continued from Merge 962

Merge 964
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 965
Merge: set-Merge
Stream: []
Unlabeled:
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 via
shared Person:

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 n there T(Pres,3rd,pl) v seem several n fish toT have -en be -en v catch
Externalization
Rules:
there T(Pres,3rd,pl)+seem
there seem several fish to have -en+be
there seem several fish to have been -en+catch
there seem several fish to have been caught

Successful Derivation 12
Top

Backtrack (check for another possible derivation: Free Merge): Attempt: #275
Continued from Merge 961

Merge 966
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 967
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 968
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 969
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 via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #276
Continued from Merge 968

Merge 970
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 971
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 from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #277
Continued from Merge 959

Merge 972
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 973
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 974
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 975
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 976
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 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: #278
Continued from Merge 975

Merge 977
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 978
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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 via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #279
Continued from Merge 974

Merge 979
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 980
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 981
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 982
Merge: set-Merge
Stream: []
Unlabeled:
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 from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #280
Continued from Merge 981

Merge 983
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 984
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 from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #281
Continued from Merge 958

Merge 985
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 986
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 987
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 988
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 989
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 990
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 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: #282
Continued from Merge 989

Merge 991
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 992
Merge: set-Merge
Stream: []
Unlabeled:
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 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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #283
Continued from Merge 988

Merge 993
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 994
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 995
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 996
Merge: set-Merge
Stream: []
Unlabeled:
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 from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #284
Continued from Merge 995

Merge 997
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 998
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 from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #285
Continued from Merge 986

Merge 999
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 1000
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1001
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


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


Merge 1003
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 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: #286
Continued from Merge 1002

Merge 1004
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1005
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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 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: #287
Continued from Merge 1001

Merge 1006
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 1007
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


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


Merge 1009
Merge: set-Merge
Stream: []
Unlabeled:
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:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #288
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 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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #289
Continued from Merge 901

Merge 1012
Merge: set-Merge
Stream: ['toT', 'seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 1013
Merge: set-Merge
Stream: ['seem', 'v', ['n_Expl', 'there'], 'Tpres', 'C']
Operations: Agree: (toT,n)
Checked Features: 'uPerson'
Unlabeled:


Merge 1014
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:


Merge 1015
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 1016
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1017
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 1018
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1019
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: #290
Continued from Merge 1018

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


Merge 1021
Merge: set-Merge
Stream: []
Unlabeled:
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 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: #291
Continued from Merge 1017

Merge 1022
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 1023
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1024
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1025
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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #292
Continued from Merge 1024

Merge 1026
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1027
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #293
Continued from Merge 1015

Merge 1028
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 1029
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1030
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 1031
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1032
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 via
movement:

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: #294
Continued from Merge 1031

Merge 1033
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1034
Merge: set-Merge
Stream: []
Unlabeled:
Label from
Head:

Label from
Head:

Label via
shared Person:

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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #295
Continued from Merge 1030

Merge 1035
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 1036
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1037
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1038
Merge: set-Merge
Stream: []
Unlabeled:
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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #296
Continued from Merge 1037

Merge 1039
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1040
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #297
Continued from Merge 1014

Merge 1041
Merge: set-Merge
Stream: ['v', ['n_Expl', 'there'], 'Tpres', 'C']
FormCopy:
Unlabeled:


Merge 1042
Merge: set-Merge
Stream: [['n_Expl', 'there'], 'Tpres', 'C']
Unlabeled:

Substream
Stream: ['there', 'n_Expl']

Merge 1043
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1044
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
Unlabeled:


Merge 1045
Merge: set-Merge
Stream: ['C']
Operations: Unified Features: uPerson
Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1046
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 via
movement:

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: #298
Continued from Merge 1045

Merge 1047
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1048
Merge: set-Merge
Stream: []
Unlabeled:
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 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:

Crash (Unlabeled):

Backtrack (check for another possible derivation: Free Merge): Attempt: #299
Continued from Merge 1044

Merge 1049
Merge: set-Merge
Stream: [['there', 'n_Expl'], 'Tpres', 'C']
FormCopy:
Unlabeled:

Substream
Stream: ['n_Expl', 'there']

Merge 1050
Merge: set-Merge
Stream: []
Unlabeled:

Main Stream


Merge 1051
Merge: set-Merge
Stream: ['C']
Operations: Agree: (Tpres,n)
Checked Features: 'uPerson' 'uNumber' 'uGender'
Unlabeled:


Merge 1052
Merge: set-Merge
Stream: []
Unlabeled:
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 from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

Backtrack (check for another possible derivation: Free Merge): Attempt: #300
Continued from Merge 1051

Merge 1053
Merge: set-Merge
Stream: ['C']
FormCopy:
Unlabeled:


Merge 1054
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 via
movement:

Label from
Head:

Label from
Head:

Label from
Head:

Label from
Head:

Label via
movement:

Label from
Head:

Label from
Head:

Operations: Unchecked Features: uPerson
Crash (Unchecked Feature):

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