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:
Metals often crystallize in a ____ dimensional version of the hexagonal closest packed structure.\Question: Choose the right answer from options given a) one b) seven c) three d) eight
answer:
c


question:
Women gain ____ years per child they had.\Question: Choose the right answer from options given a) ten b) nine c) four d) two
answer:
d


question:
Heavy shelf wear to paper at corners, worn through to boards on all ____ corners.\Question: Choose the right answer from options given a) ten b) three c) six d) four
answer:

d