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 wash your car then you should get a lemon .

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

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: The practice of winning a computer is you can drop it again .

SOLUTION:
The effect of fixing a computer is you can move it again .