A dog in a `` superman '' shirt sleeps on a blanket .
It is probably not the case that a dog sleeping on a blanket because he is tired from being up all day .
We believe that a dog sleeping on a blanket because he is tired from being up all day .
It is probably not the case that a dog sleeping on a blanket because he is tired from being up all day .
A dog sleeping on a blanket because he is tired from being up all day .