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 blanket can be covering a bed.
A Man can be washing a bed .

To raise an electric g rod , you knock a pencil into hole .
To give an electric pencil sharpener , you hit a pencil into crystal .

A metal protects the surface of the table from stains .

A door protects the surface of the table from nails .