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 are likely to find a steel pen in a writer's pocket.
You are likely to find a steel pen in a bartender 's pocket .

You can whisper a secret in someone's ear.
You can crush a secret in someone 's ear .

Many fine currents flow through the plain .

Many hard currents flow through the circulation .