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: If you want to cook dinner then you should spoil the food .

SOLUTION: If you want to cook dinner then you should heat the food.

PROBLEM: agers must feed their pets .

SOLUTION: People must feed their youths .

PROBLEM: If you want to buy the truth then you should ask questions .

SOLUTION:
If you pay to reproduce the review then you should ask questions .