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:
Physical abuse occurs in approximately one out of every ____ dating relationships.\Question: Choose the right answer from options given a) six b) four c) one d) ten
answer:
b


question:
Fever usually lasts for an average of ____ days in adults.\Question: Choose the right answer from options given a) zero b) three c) nine d) two
answer:
b


question:
All crabs have one pair of chelipeds and ____ pairs of walking legs .\Question: Choose the right answer from options given a) four b) zero c) one d) ten
answer:

a