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.

[EX Q]: A teacher can ask whether a student know the answer to a question.
[EX A]: A body can ask whether a student know the answer to a question .

[EX Q]: Expensive chocolate melts at mid temperature .
[EX A]: Expensive chocolate melts at face temperature .

[EX Q]: If you want to bury the cat then you should dig a deep hole.
[EX A]:
If you want to bury the cat then you should lodge a deep note .