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 degrade into a coma then you should sport another car .

SOLUTION: If you want to go into a coma then you should specify another car .

PROBLEM: A whistle can mark a culprit for mistakes .

SOLUTION: A tattoo can mark a note for mistakes .

PROBLEM: In our consumer blog , saving money is critical to do .

SOLUTION:
In our consumer society , saving back is hard to do .