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 do n't fit your birthday party , you Can be thanked .

SOLUTION: If you do n't get your birthday key , you might be deceived .

PROBLEM: If you want to serve customers then you should go to a store.

SOLUTION: If you want to use customers then you should stop to a store .

PROBLEM: The public has a right to protect .

SOLUTION:
The public has a living to know .