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: 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 marine sediments are of ____ basic types.\Question: Choose the right answer from options given a) three b) ten c) two d) nine

A: c
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Q: Walruses can remain submerged for as long as ____ minutes.\Question: Choose the right answer from options given a) three b) six c) five d) ten

A:
d
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