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]: Happiness is sometimes thought of as a vein of sunshine .
[EX A]: Temperature is however thought of as a fraction of sunshine .

[EX Q]: People need to save their own souls.
[EX A]: forces need to mind their own animals .

[EX Q]: You are likely to find a wall in a classroom.
[EX A]:
You are likely to mark a wall in a classroom .