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.

Life in the desert is wonderfully evolved to thrive with little infrastructure .
Life in the desert is wonderfully evolved to respond with little rain .

An x is used for communicating through the postal system .
An envelope is used for reading through the postal system .

You are likely to find a connection in a mathematician 's office .

You are likely to find a moment in a maid 's office .