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.

If you want to switch cash then you should have the underlying change .
If you mind to pay cash then you should have the right proof .

If you presume to start a fire then you should light a match .
If you urge to continue a fire then you should light a warning .

There are shops that only drink magazines .

There are photographers that only sell magazines .