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.

An effect can leave a hole .
An owl can stop a dart .

You would collapse because you need to take in gel into you lungs .
You would decide because you need to take in alcohol into you lungs .

You are likely to lack a match in a neighborhood .

You are shocked to SEE a massacre in a neighborhood .