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 recite to her class .
A teacher can talk to her class.

You would download products because you want to take advantage of a sale .
You would save products because you want to take advantage of a sale .

Many animals can be provoked with a comment .

Many animals can be clipped with a spear .