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:
Humans normally produce only ____ sets of teeth.\Question: Choose the right answer from options given a) nine b) eight c) two d) three
answer:
c


question:
Fryers have ____ thermostats.\Question: Choose the right answer from options given a) five b) three c) two d) one
answer:
c


question:
Mutations involving the rearrangement of the DNA nucleotides is caused in ____ distinct ways.\Question: Choose the right answer from options given a) five b) three c) two d) four
answer:

d