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]: A island is a piece of land surrounded by water on all exits .
[EX A]: A dome is a piece of arch surrounded by water on all streams .

[EX Q]: If you want to go to market then you should get in car.
[EX A]: If you want to plan to market then you should get in fact .

[EX Q]: You are likely to find a UFO in a cat house 's house .
[EX A]:
You are likely to find a cat in a cat mouse 's house .