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]: All oceans contains salt fish .
[EX A]: All oceans contains salt water.

[EX Q]: If you want to read a book then you should turn on the light.
[EX A]: If you want to read a book then you should slow on the light .

[EX Q]: A computer can be viewing some numbers .
[EX A]:
A float can be serving some numbers .