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.

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

You are likely to find an army in a col .
You are likely to find an army in a store .

The rot ate the spider in the trunk .

The girl ate the spider in the body .