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 Input:
Happiness is sometimes thought of as a vein of sunshine .

Ex Output:
Temperature is however thought of as a fraction of sunshine .


Ex Input:
If you want to recognize a computer then you should appropriate an application program .

Ex Output:
If you want to use a computer then you should mail an application program .


Ex Input:
A mechanism is for providing an escape way in case of fire .

Ex Output:

A window is for providing an escape buoy in case of fire .