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 can use a theater seat to bring a play .

SOLUTION: You can use a theater seat to participate a play .

PROBLEM: You may share a screen file bill .

SOLUTION: You may get a credit card bill.

PROBLEM: If you switch to hear TV then you should turn on the processor .

SOLUTION:
If you want to hear music then you should Switch on the radio .