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]: You would buy a house because you want a place where you can breath.
[EX A]: You would envy a house because you want a place where you can breath .

[EX Q]: An x is used for communicating through the postal system .
[EX A]: An envelope is used for reading through the postal system .

[EX Q]: If you swear to get a politician then you should read want ads .
[EX A]:
If you consider to get a soda then you should read want ads .