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: People can dig without a quarry .

SOLUTION: People can bike without a car .

PROBLEM: You are likely to disconnect a cable in the television .

SOLUTION:
You are likely to identify a cable in the television .