TASK DEFINITION: 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.
PROBLEM: Water is composed of hydrogen and oxygen.

SOLUTION: ice is composed of hydrogen and oxygen .

PROBLEM: You would ignore a family because you blame children .

SOLUTION: You would start a family because you love snakes .

PROBLEM: If you want to sprint into battle then you should walk your drum .

SOLUTION:
If you want to advance into battle then you should wear your helmet.