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.

You can use a zoom lens to take a close-up picture of a bird.
You can use a zoom plugin to take a close - up picture of a pen .

People with money can box for items for sale .
People with money can ay for items for sale .

You would spit because you want remove a bad fly in your gob .

You would spit because you want remove a bad reflex in your anger .