A man walks into a bar, after buying a beer he looks around the bar and sees three men and a dog playing cards.
Amazed, the man wanders over and starts watching the game.
Aftere watching the game for ten minutes, the man leans over to one of the other player's and whispers "
Wow, that's a really smart dog!".
The man whispers backs "He isn't that smart, every time he gets a good hand, he wags his tail!"