instruction:
Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').
question:
Many people have ____ symptoms until they suffer chest pains or a heart attack.\Question: Choose the right answer from options given a) three b) one c) no d) seven
answer:
c


question:
Pairs encodes all sets of objects with ____ components.\Question: Choose the right answer from options given a) ten b) five c) two d) no
answer:
c


question:
Concentricity is ____ for a 'perfect' tube.\Question: Choose the right answer from options given a) one b) zero c) nine d) four
answer:

b