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.

It is a technique to withhold or absorb certain drugs .
It is a crime to possess or cure certain drugs .

You are likely to bump trees in a forest .
You are likely to steal trees in a forest .

If you want to have a checkup then you should make a doctor's appointment.

If you Want to have a checkup then you should opt a back 's appointment .