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: Ozone is a naturally occurring molecule containing ____ atoms of oxygen.\Question: Choose the right answer from options given a) three b) five c) nine d) eight

A: a
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Q: Babies are breast-fed until about ____ years of age.\Question: Choose the right answer from options given a) four b) nine c) eight d) two

A: d
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Q: Female devils are occupied with raising their young for all but approximately ____ weeks of the year.\Question: Choose the right answer from options given a) nine b) eight c) four d) six

A:
d
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