You are given a question and some answer options (associated with "A", "B", "C", "D"). You should choose the correct answer based on commonsense knowledge. Avoid answering questions based on associations, the set of answers are chosen deliberately to capture common sense beyond associations. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D', 'E' and only give one answer for each question.

Q: In what substance do clouds float?
(A)sky (B)top of mountain (C)air (D)ground level (E)outer space

A: C
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Q: What is the animal trying to accomplish?
(A)sand trap (B)live long (C)leave home (D)feel pain (E)eating

A: B
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Q: What might a kind person do?
(A)cross street (B)talk to themselves (C)open doors (D)throw away (E)study greek

A:
C
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