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 embarrassed to find a gentleman in big chair .

SOLUTION: You are likely to eat a gentleman in big house .

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: The reality belongs to those who believe in the beauty of their stars .

SOLUTION:
The self belongs to those who believe in the uniqueness of their dreams .