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.

[Q]: A waiting room is a plot where a patient sits .
[A]: A waiting dog is a place where a patient sits .


[Q]: A c may have a larg or narrow casing .
[A]: A T may have a wide or delicate casing .


[Q]: You can use a dental office to get your teeth examined.
[A]:
You can contract a dental office to clean your teeth examined .