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 can shine on your day.

SOLUTION: The avatar can emerge on your face .

PROBLEM: If you want to get a trade then you should search for customers .

SOLUTION: If you want to get a PR then you should search for customers .

PROBLEM: A chair by the fire is a magnificent place to suggest .

SOLUTION:
A chair by the fire is a good place to read.