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.

You would read the newspaper because you want to know about the financial markets.
You would rate the newspaper because you want to Know about the financial markets .

The effect of challenging the piano is stronger fingers .
The emphasis of playing the piano is stronger fingers .

You are likely to find gas in a car.

You are blind to sense gas in a car .