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: Trinity comes from tri-unity which means ____ in one.\Question: Choose the right answer from options given a) four b) three c) eight d) zero

A: b
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Q: Birds reach sexual maturity in three to ____ years.\Question: Choose the right answer from options given a) seven b) two c) five d) six

A: c
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Q: Sexual maturity occurs in females when three or four years old and in males at ____ years.\Question: Choose the right answer from options given a) eight b) five c) four d) six

A:
b
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