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]: If you want to recognize a computer then you should appropriate an application program .
[EX A]: If you want to use a computer then you should mail an application program .

[EX Q]: I am firing on a computer keyboard .
[EX A]: I am bang on a computer keyboard .

[EX Q]: You are likely to find a telephone port in an adjacent .
[EX A]:
You are likely to browse a telephone room in an ab .