In this task, you are given an impractical statement. You are also given three reasons (associated with "A", "B", "C") explaining why this statement doesn't make sense. You must choose the most corresponding reason explaining why this statement doesn't make sense.

Q: Teachers must do homework.
(A) Teachers are too busy to do homework.
(B)No teacher need to do homework.
(C)Homework is too easy for teachers.

A: B
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Q: You are sick, I'm so jealous
(A) Being sick is not a good thing
(B)Sick people feel jealous when they see healthy people
(C)Rich people are less likely to be sick

A: A
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Q: He wrote on the paper with a cup.
(A) You can hold a cup in your hand.
(B)A man can write about a cup on paper.
(C)Cups have no way to transmit writing to paper.

A:
C
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