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 building in the know .

SOLUTION: You are likely to find a building in the back .

PROBLEM: The humidity can spin out after the rain .

SOLUTION: The ust can filter out after the rain .

PROBLEM: You would eat in a restaurant because you Hate food .

SOLUTION:
You would wander in a pen because you want food .