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.

A coat of happiness does n't make us happier .
A lot of sleep doesn't make us happier.

You would hold a release because you are veteran of a band .
You would play a guitar because you are part of a band.

You would invest $$ or energy because it would be profitable .

You would invest profit or energy because it would be profitable .