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]: Smoking cigarettes is a nasty Business .
[A]: Smoking cigarettes is a nasty habit.


[Q]: A mom asks her kids .
[A]: A mom loves her kids.


[Q]: You can use an on/off switch to turn machines on or off.
[A]:
You can expect an on / off switch to turn machines on or off .