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:
Mammals have only ____ sets of teeth.\Question: Choose the right answer from options given a) six b) five c) seven d) two
answer:
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:
Adult fish can grow to over ____ feet in length.\Question: Choose the right answer from options given a) four b) five c) zero d) nine
answer:

a