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.

[EX Q]: If you want to serve customers then you should go to a store.
[EX A]: If you want to use customers then you should stop to a store .

[EX Q]: You are likely to find a character in a play in the evening .
[EX A]: You are likely to find a character in a play in the workshop .

[EX Q]: You are likely to find a pan in an umbrella .
[EX A]:
You are likely to find a pan in an oven.