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: Someone 's aunt Must play the lawyer .

SOLUTION: Someone 's aunt z play the queen .

PROBLEM: If you want to have a party then you should buy snacks and drinks.

SOLUTION: If you want to have a party then you should buy fish and drinks .

PROBLEM: You would weep to a movie because you can kiss in the senate row .

SOLUTION:
You would drop to a movie because you can kiss in the fucking row .