a small brown and black dog lying down in a furry rug .
It is impossible that there is a little dog sleeping on a rug because he just went on a long walk .
It is impossible that there is a little dog sleeping on a rug because he just went on a long walk .
It is probably the case that there is a little dog sleeping on a rug because he just went on a long walk .
There is a little dog sleeping on a rug because he just went on a long walk .