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: People can relax by sitting and watching the market .

SOLUTION: People can relax by rolling and talking the ocean .

PROBLEM: You are likely to collect a problem in a transaction .

SOLUTION: You are likely to provide a quarter in a come .

PROBLEM: You would fix a location because you wanted to control a document .

SOLUTION:
You would fix a computer because you wanted to write a document.