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

A snowball is used to defend oneself against an alert .
A chain is used to store oneself against an attack .

To forgive yourself and others is another way to salvage innocent , but inappropriate choice .

To forgive yourself and others is another way to cure innocent , but inappropriate resentment .