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: A bike can only acquire a liberal amount of weight .

SOLUTION: A bike can only retain a certain stamp of advertising .

PROBLEM: A whistle can mark a culprit for mistakes .

SOLUTION: A tattoo can mark a note for mistakes .

PROBLEM: If you right to manage to school then you should enroll in classes .

SOLUTION:
If you want to pass to admission then you should enroll in classes .