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: If you suppose to have an asthma profile then you should had milk .

SOLUTION: If you want to have an asthma attack then you should drink milk.

PROBLEM: You would trade the company of your friends because they are your agents .

SOLUTION: You would stay the company of your friends because they are your friends .

PROBLEM: A credit card is handy for shopping online.

SOLUTION:
A Tool this is handy for functioning online .