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 drag a hair in your bed .
You are likely to find a meteor in your bed .

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

A feature can be blocked for clients .

A projector can be used for events .