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.

News reporters must protect their sources.
Eye reporters must police their sources .

You would go to a session because it is a social spot .
You would see to a standard because it is a social event .

A young couple can chart a train together .

A passionate couple can watch a fantasy together .