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: You are likely to observe a cat in attack .

SOLUTION: You are likely to include a part in editing .

PROBLEM: If you want to wash your car then you should get a lemon .

SOLUTION: If you want to scratch your car then you should get a handle .

PROBLEM: A playlist can help you find your way .

SOLUTION:
A map can help you find your way.