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.

I am firing on a computer keyboard .
I am bang on a computer keyboard .

A E governs a man .
A president governs a country.

If you reason to watch a film then you should cover a movie .

If you want to watch a film then you should find a movie.