Given a sentence, generate a new sentence by performing small changes on the sentence. Here, make sure that the changes are semantically related and syntactically similar to the input. And the generated sentence should have high commonsense plausibility, that is to have reasonable probability of it being true.

Q: A teacher can ask whether a student know the answer to a question.

A: A body can ask whether a student know the answer to a question .
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Q: You can touch an apple to burst a brick .

A: You can change an apple to bait a pond .
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Q: A book end is used for arranging menus just where you want them .

A:
A book end is used for switching books just where you want them .
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