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: Watching a television show is for viewing your favorite program.

SOLUTION: Watching a television show is for identifying your favorite program .

PROBLEM: You would ride a bike because you want some fresh air.

SOLUTION: You would load a bike because you wore some bulky case .

PROBLEM: Some objects can sometimes be set on range .

SOLUTION:
Some objects can sometimes be set on r .