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: An effect can leave a hole .

SOLUTION: An owl can stop a dart .

PROBLEM: If you set to invest money or energy then you should be wise .

SOLUTION:
If you want to invest grain or diamond then you should be wise .