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:
Vision disorders affect one in every ____ school-age children.\Question: Choose the right answer from options given a) five b) four c) nine d) one
answer:
b


question:
Some sources claim there are more like ____ million vertebrate animals in zoos.\Question: Choose the right answer from options given a) six b) five c) one d) three
answer:
b


question:
Moths emerge as early as ____ days out of cocoon cold-storage.\Question: Choose the right answer from options given a) three b) nine c) two d) ten
answer:

b