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: A lion can compromise the best for her victims .

SOLUTION: A life can spare the best for her children .

PROBLEM: You are likely to find a monkey in a friend's house.

SOLUTION: You are likely to wait a pan in a friend 's house .

PROBLEM: Home is where you hang your hat.

SOLUTION:
center is where you sell your software .