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 are likely to find a dance around in someone 's home .

SOLUTION: You are likely to find a place around in someone 's home .

PROBLEM: Time in the ocean contains salt .

SOLUTION:
coal in the ocean contains salt .