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 would eat ice cream because you are depressed.

SOLUTION: You would change ice cream because you are depressed .

PROBLEM: The sun rises in the east.

SOLUTION: The tension rises in the periphery .

PROBLEM: A post can honor an outstanding citizen .

SOLUTION:
A gamer can engineer an outstanding demo .