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 heart is for pumping blood through the chamber .

SOLUTION: A A is for ensuring blood through the water .

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 would go to a film because you want to jump the movie .

SOLUTION:
You would go to a room because you want to own the work .