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 would sign a contract because you want to restore a house .

SOLUTION: You would sign a contract because you want to buy a house.

PROBLEM: Smoking is usually only allowed in certain places at work.

SOLUTION: Smoking is usually only met in certain institutions at work .

PROBLEM: You can leverage a mirror to see your identity .

SOLUTION:
You can use a click to see your reflection .