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: Smoking cigarettes is a nasty Business .

SOLUTION: Smoking cigarettes is a nasty habit.

PROBLEM: You are likely to find a character in a play in the evening .

SOLUTION: You are likely to find a character in a play in the workshop .

PROBLEM: You are likely to find a movie ticket in my vehicle .

SOLUTION:
You are likely to find a movie pouch in my wallet .