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: Real airplanes have round engines and ____ wings.\Question: Choose the right answer from options given a) four b) six c) three d) two

A: d
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Q: Righteousness always points in ____ directions.\Question: Choose the right answer from options given a) six b) two c) one d) four

A: b
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Q: Most women bleed about ____ ounces during regular periods.\Question: Choose the right answer from options given a) eight b) four c) two d) no

A:
c
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