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]: People can introduce chocolate .
[EX A]: People can haz chocolate .

[EX Q]: If you want to downgrade to a W then you should have a check .
[EX A]: If you want to go to a family then you should have a birthday .

[EX Q]: If you want to walk a link then you should have free time .
[EX A]:
If you want to commit a database then you should have free time .