/
MainCode.py
620 lines (545 loc) · 16.7 KB
/
MainCode.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
import nltk
import numpy
import re
from nltk import CFG
from nltk.parse.generate import generate
# Create grammars for the variations
g1="""
S -> NP VP
NP -> DT NNP P AR JJ N
VP -> V CN
NNP -> 'perimeter' | 'area'
V -> 'is'
CN -> '134'|'234'
DT -> 'The'|'the'
N -> 'swimmingpool'|'field'|'garden'
P -> 'of'
AR -> 'a'|'the'|'an'
JJ -> 'rectangular'
"""
g2="""
S -> NP VP
NP -> PP NN
PP -> 'Its'
NN -> 'length' | 'breadth'
VP -> V CN M JJM T PP NN
M -> 'm' | 'cm' | 'km'
JJM -> 'more than' | 'less than'
T -> 'twice' | 'thrice'
CN -> '2'|'3'
V -> 'is'
"""
g3="""
S -> NP VP
NP -> DT NNP P AR JJ
VP -> V CN
NNP -> 'sum' | 'difference'
V -> 'is'
CN -> '95' | '56' | '98' | '100'
DT -> 'The'|'the'
P -> 'of'
AR -> 'two'
JJ -> 'numbers'
"""
g4="""
S -> NP VP
NP -> PP NN
PP -> 'If'
NN -> 'one'
VP -> V CN JJM
JJM -> 'more than the other' | 'less than the other'
CN -> '2' | '3' | '15' | '5'
V -> 'is'
"""
g5="""
S -> VP CN NP
VP -> PP PR VB CD NN
PP -> 'If' | 'Consider if'
PR -> 'you' | 'I' | 'we'
VB -> 'add' | 'multiply' | 'subtract'
CD -> '1/2' | '2/3' | '3/4'
NN -> 'from a number'
CN -> 'and'
NP -> VB DT WR PB CD PS CD
DT -> 'the'
WR -> 'result' | 'answer' | 'number'
PB -> 'by'
PS -> 'the number is'
"""
g6="""
S -> NP VP
NP -> DT NNP P AR JJ N
VP -> V CN
NNP -> 'base'
V -> 'is'
CN -> '3/4' | '2/5' | '1/4'
DT -> 'The'|'the'
N -> 'triangle'
P -> 'of'
AR -> 'a'|'the'
JJ -> 'isosceles' | 'scalene' | 'equilateral'
"""
g7="""
S -> NP VP
NP -> DT NNP P AR N
VP -> V CN
NNP -> 'perimeter' | 'area'
V -> 'is'
CN -> '5/7'|'1/3'
DT -> 'The'|'the'
N -> 'triangle'
P -> 'of'
AR -> 'a'|'the'
"""
g8="""
S -> NP VP
NP -> DT NNP P AR JJ
VP -> V CN
NNP -> 'ratio'
V -> 'is'
CN -> '4:5' | '2:6' | '5:6' | '7:9'
DT -> 'The'|'the'
P -> 'of'
AR -> 'two'
JJ -> 'numbers'
"""
g9="""
S -> NP VP
NP -> PP NN
PP -> 'If'
NN -> 'they'
VP -> JJM CN
JJM -> 'differ by'
CN -> '2' | '3' | '15' | '5' | '18'
"""
g10="""
S -> NP VP
NP -> DT NN PP CD N INT
VP -> V CN
V -> 'is'
CN -> '51' | '34' | '56' | '45'
DT -> 'the'
NN -> 'product' | 'sum' | 'difference'
PP -> 'of'
CD -> 'three' | 'four' | 'five'
N -> 'consecutive'
INT -> 'integers' | 'multiples of 8'
"""
g11="""
S -> NP VP
NP -> DT NN PP CD N INT D
D -> 'when they are taken in' | I A M
A -> 'and'
M -> 'multiplied by' | C R
C -> '2,3,4' | '3,4,5' | '5,6,7'
R -> 'respectively'
I -> 'increasing order' | 'decreasing order'
VP -> V CN
V -> 'is'
CN -> '51' | '34' | '56' | '45'
DT -> 'the'
NN -> 'product' | 'sum' | 'difference'
PP -> 'of'
CD -> 'three' | 'four' | 'five'
N -> 'consecutive'
INT -> 'numbers'
"""
g12="""
S -> NP VP
NP -> R L
R ->'The number of boys and girls in a class are'|'The length of sides'
L ->M N
M -> 'in a'
N -> 'class'|'rectangle'
VP -> B A.
B -> 'in the ratio'
A -> P : Q
P -> '3'|'4'|'5'|'6'|'7'|'8'|'1'|'2'|'12'|'15'|'9'
Q -> '2'|'5'|'7'|'9'|'11'|'13'|'17'
"""
g13="""
S -> NP VP
NP -> 'The number of boys is'|'The length of one side is'
VP -> A B
B -> C D
D -> 'than the number of girls' | 'than the other side.'
A -> '1'|'2'|'3'|'4'|'5'|'6'
C -> 'more'|'less'
"""
g14="""
S -> NP VP
NP -> A B
VP -> C D
A -> 'Sum'|'Difference'
B -> 'of the digits of a two-digit number is'
C -> '9'|'10'|'15'|'18'|'5'|'6'|'7'|'3'|'4'|'8'|'11'|'12'|'13'|'14'|'17'|'16'
D -> '.'
"""
g15="""
S -> NP VP
NP -> 'When we interchange the digits,it is found that resulting new number is'
VP -> A B C D
A -> 'greater'|'smaller'|'larger'
B -> 'than the original number by'
C -> '27'|'30'|'15'|'20'|'26'|'36'|'45'|'20'|'30'|'22'
D -> '.'
"""
g16="""
S -> NP VP
NP -> A B
VP -> C F D E
A -> 'Nisha'
B -> 'present age is'
C -> 'three'|'four'|'five'|'six'|'seven'|'eight'|'nine'|'two'
F -> 'times'
D -> 'Nisha mother'
E -> 'present age.'
"""
g17="""
S -> NP VP
NP -> A B
VP -> C D E F A G
A -> 'Nisha'
B -> 'age'
C -> 'three'|'four'|'five'|'six'|'seven'|'eight'|'nine'|'two'
D -> 'years from now will be'
E -> 'one third'|'one fourth'|'on fifth'
F -> 'of'
G -> 'present age.'
"""
g18="""
S -> NP VP
NP -> N JJ AG
VP -> V CD AD N JJ AG
V -> 'is'
CD -> '6' | '5' | '4' | '7'
AD -> 'times'
N -> 'Shobo' | 'Shobo mother'
JJ -> 'present'
AG -> 'age'
"""
g19="""
S -> NP VP
NP -> N AG TM
VP -> V HCD PP N JJ AG
JJ -> 'present'
N -> 'Shobo' | 'Shobo mother'
AG -> 'age'
TM -> 'five years from now' | 'ten years from now' | 'six years from now'
V -> 'will be'
HCD -> 'one third' | 'half' | 'quarter' | 'one sixth'
"""
g20="""
S -> NP VP
NP -> NM
VP -> V CD YR JJ TH NM
V -> 'is'
CD -> '25' | '26' | '30' | '29'
YR -> 'years'
JJ -> 'older' | 'younger'
TH -> 'than'
NM -> 'Baichung grandfather' | 'Baichung father' | 'Baichung'
"""
g21="""
S -> NP VP
NP -> NM
VP -> V CD YR JJ TH NM
V -> 'is'
CD -> '26' | '23' | '34' |'35'
YR -> 'years'
JJ -> 'younger' | 'older'
TH -> 'than'
NM -> 'Baichung' | 'Baichung grandfather' | 'Baichung father'
"""
# cutDownsent() splits the question into sentences and later tokenizes each sentences to words
# so that POS tagging can be done on them.
# Return a list of words along with their POS(Parts of speech)
ls=[]
def cutDownsent(s):
words=[]
pos=[]
words.append(nltk.word_tokenize(s))
for word in words:
pos.append(nltk.pos_tag(word))
return pos
# Filtering the sentences to remove the sentences which aren't semanticaly right.
d={}
def filter(sent):
d={}
# Tokenize each sentence to get POS
s=cutDownsent(sent)
# for each tuple in a list,it will have (Object,POS)
for item in s[0]:
lst1=[item[0]]
lst2=[item[1]]
#To filter,put the Object into a dictionary as key and its POS as value
for i,j in zip(lst1,lst2):
if i not in d.keys():
d[i]=[j]
else:
d[i].append(j)
# If the object is repeated more than once,and it is a Noun,then remove such sentences.Eg:(length is more than length...)
for itemV in d.values():
if 'NN' in itemV and len(itemV)>=2:
flag=False
break
else:
flag=True
if(flag == False):
return None
else:
return sent
# Dealing with age problems,careful analysis must be done to filter the illogical statements.
# Store the objects which relate to age in a list.
def ageFilter(sent):
lst=["mother","father","grandfather","grandmother"]
# There are a few problems with keywords.So,accordingly handle these cases
if "times" in sent:
# Split the whole sentence and store the words in a list to check later for the repetitions.
listChange=sent.split(" ")
# split the sentence at that keyword,look for the words on its left(lhs),look for the words on its right(rhs) and handle the cases.
rhs=sent.split("times",1)[1]
lhs=sent.split("times",1)[0]
# mother should not be repeated,similarly father and etc.Eg: Shobo's mother age is 6 times Shobo's mother age.
if("mother" in lhs and "mother" not in rhs)or("father" in lhs and "father" not in rhs)or("grandfather" in lhs and "grandfather" not in rhs )or("grandmother" in lhs and "grandmother" not in rhs):
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
#Handle the cases with repeated objects.Eg: Shobo's age is 6 times Shobo's age.
for i in listChange:
if listChange.count(i)>1:
return None
elif "one third" in sent:
listChange=sent.split(" ")
rhs=sent.split("one third",1)[1]
lhs=sent.split("one third",1)[0]
# Similarly,handle the cases where object's age can be always less than his/her mother's age,father's age,etc.
if("mother" not in lhs and "mother" in rhs) or ("father" not in lhs and "father" in rhs)or ("grandfather" not in lhs and "grandfather" in rhs)or ("grandmother" not in lhs and "grandmother" in rhs):
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
elif "half" in sent:
listChange=sent.split(" ")
rhs=sent.split("half",1)[1]
lhs=sent.split("half",1)[0]
if("mother" not in lhs and "mother" in rhs) or ("father" not in lhs and "father" in rhs)or ("grandfather" not in lhs and "grandfather" in rhs)or ("grandmother" not in lhs and "grandmother" in rhs):
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
elif "quarter" in sent:
listChange=sent.split(" ")
rhs=sent.split("quarter",1)[1]
lhs=sent.split("quarter",1)[0]
if("mother" not in lhs and "mother" in rhs) or ("father" not in lhs and "father" in rhs)or ("grandfather" not in lhs and "grandfather" in rhs)or ("grandmother" not in lhs and "grandmother" in rhs):
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
elif "one sixth" in sent:
listChange=sent.split(" ")
rhs=sent.split("one sixth",1)[1]
lhs=sent.split("one sixth",1)[0]
if("mother" not in lhs and "mother" in rhs) or ("father" not in lhs and "father" in rhs)or ("grandfather" not in lhs and "grandfather" in rhs)or ("grandmother" not in lhs and "grandmother" in rhs):
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
elif "younger" in sent:
listChange=sent.split(" ")
rhs=sent.split("younger",1)[1]
lhs=sent.split("younger",1)[0]
# the order of objects in this problem should be restricted to only few like, Eg: Baichung's grandfather is older than Baichung.
# Baichung's father is younger than Baichung's grandfather...etc.
if("grandfather" in lhs and "grandfather" in rhs):
return None
elif("mother" in lhs and "grandmother" in rhs)or( "father" in lhs and "grandfather" in rhs):
return sent
## for i in listChange:
## if i in lst and listChange.count(i)>1:
## return None
## else:
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
else:
return None
# Similar to the younger conditions,but reverse.
elif "older" in sent:
listChange=sent.split(" ")
rhs=sent.split("older",1)[1]
lhs=sent.split("older",1)[0]
if("grandfather" in lhs and "grandfather" in rhs):
return None
elif("mother" in lhs and "mother" not in rhs) or ("father" in lhs and "father" not in rhs) or ("grandfather" in lhs and "grandfather" not in rhs) or ("grandmother" in lhs and "grandmother" not in rhs) or("grandfather" in lhs and "father" in rhs):
## for i in listChange:
## if i in lst and listChange.count(i)>1:
## return None
## else:
return sent
elif("mother" not in sent and "father" not in sent and "grandmother" not in sent and "grandfather" not in sent):
for i in listChange:
if listChange.count(i)>1:
return None
else:
return None
# Filter each sentence and return them all.
def eliminate(sentence):
sents=nltk.sent_tokenize(sentence)
for sent in sents:
str=filter(sent)
return str
#Here input is the chosen option on UI.
#Given IDs to each question as per NCERT Book,input will be given that chosen value.
input=26
# Generate variations of a particular question based on the input and its corresponding grammar.
if input==2:
g=CFG.fromstring(g1)
g2=CFG.fromstring(g2)
rd_parser=nltk.RecursiveDescentParser(g)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
ans1=eliminate(newsent1)
ans2=eliminate(newsent2)
if(ans1 == None or ans2 == None):
pass
else:
print(ans1)
print(ans2)
print("Determine the length and breadth")
print("\n")
elif input==4:
g=CFG.fromstring(g3)
g2=CFG.fromstring(g4)
rd_parser=nltk.RecursiveDescentParser(g)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
ans1=eliminate(newsent1)
ans2=eliminate(newsent2)
if(ans1 == None or ans2 == None):
pass
else:
print(ans1)
print(ans2)
print("Find the numbers.")
print("\n")
elif input==1:
g2=CFG.fromstring(g5)
for sent in generate(g2,n=200):
newsent1=' '.join(sent)
print(newsent1)
print("What is the number?")
print("\n")
elif input==3:
g=CFG.fromstring(g6)
g2=CFG.fromstring(g7)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
ans1=eliminate(newsent1)
ans2=eliminate(newsent2)
if(ans1 == None or ans2 == None):
pass
else:
print(ans1)
print(ans2)
print("What are the other length of its other sides?")
print("\n")
elif input==5:
g=CFG.fromstring(g9)
g2=CFG.fromstring(g8)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
print(newsent1)
print(newsent2)
print("Find the numbers.")
print("\n")
elif input==6:
g=CFG.fromstring(g10)
for sent in generate(g,n=100):
newsent1=' '.join(sent)
print(newsent1)
print("What are these numbers?")
print("\n")
elif input==8:
g=CFG.fromstring(g11)
for sent in generate(g,n=100):
newsent1=' '.join(sent)
ans1=eliminate(newsent1)
if(ans1 == None):
pass
else:
print(ans1)
print("What are these numbers?")
print("\n")
elif input==9:
g=CFG.fromstring(g12)
g2=CFG.fromstring(g13)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
ans1=eliminate(newsent1)
ans2=eliminate(newsent2)
if(ans1 == None or ans2 == None):
pass
else:
print(ans1)
print(ans2)
print("Determine the length and breadth")
print("\n")
elif input==23:
g=CFG.fromstring(g15)
g2=CFG.fromstring(g14)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
print(newsent1)
print(newsent2)
print("What is the two digit number?")
print("\n")
elif input==25:
g=CFG.fromstring(g16)
g2=CFG.fromstring(g17)
for sent,sent2 in zip(generate(g2,n=100),generate(g,n=100)):
newsent1=' '.join(sent)
newsent2=' '.join(sent2)
print(newsent1)
print(newsent2)
print("What are their present ages?")
print("\n")
elif input==26:
mainList=[]
sideList=[]
g=CFG.fromstring(g20)
g2=CFG.fromstring(g21)
## for sent in generate(g,n=200):
## newsent1=' '.join(sent)
## #newsent2=' '.join(sent2)
## ans1=ageFilter(newsent1)
## #ans2=ageFilter(newsent2)
## if(ans1 == None):
## pass
## else:
## mainList.append(ans1)
## print(mainList)
## #print(ans2)
for sent1,sent2 in zip(generate(g,n=200),generate(g2,n=200)):
newsent1=' '.join(sent1)
newsent2=' '.join(sent2)
ans1=ageFilter(newsent1)
ans2=ageFilter(newsent2)
if(ans2 == None or ans1==None):
pass
else:
print(ans1)
print(ans2)
print("What are their present ages?")
print("\n")