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: The sun rises in the east.

SOLUTION: The tension rises in the periphery .

PROBLEM: If you want to read a typo , go to a bookstore .

SOLUTION: If you want to read a book, go to a bookstore.

PROBLEM: You are likely to share a shoulder in the news .

SOLUTION:
You are normal to find a shark in the news .