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.

Global lead equals global proportion .
Global humidity equals global warming .

You are likely to find a mouse in a computer store.
You are likely to find a mouse in a city store .

A Dash track is a hybrid designed for horse racing .

A race track is a suburb designed for horse racing .