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 find a shark in a movie.

SOLUTION: You are suspicious to find a shark in a movie .

PROBLEM: You would download products because you want to take advantage of a sale .

SOLUTION: You would save products because you want to take advantage of a sale .

PROBLEM: Certain kinds of pain hurt more or less than others.

SOLUTION:
Jewish kinds of pain hurt more or less than others .