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 prepare a talk then you should have good eye vision .

SOLUTION: If you want to watch a watch then you should have good eye vision .

PROBLEM: You are likely to involve a cigarette in a reaction .

SOLUTION: You are frustrated to find a cigarette in a nightclub .

PROBLEM: You need to eat Raw vegetables and fruits to stay effective .

SOLUTION:
You need to eliminate fresh vegetables and treats to stay healthy .