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').

Q: Astronauts sleep only ____ hours each night, on average.\Question: Choose the right answer from options given a) six b) one c) four d) seven

A: a
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Q: Pods contain less than ____ animals, mainly females with calves and sexually immature males.\Question: Choose the right answer from options given a) zero b) six c) no d) ten

A: d
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Q: Fear is of ____ kinds.\Question: Choose the right answer from options given a) seven b) nine c) two d) three

A:
c
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