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 cigarette in a cigarette pack.

SOLUTION: You are likely to find a stub in a cigarette pack .

PROBLEM: If you money to go to a performance then you should buy a glass .

SOLUTION: If you want to go to a monastery then you should buy a bull .

PROBLEM: The real estate agent 's job is to transport options to the buyer .

SOLUTION:
The real estate agent's job is to present options to the buyer.