A man walks into a bar with a small dog on a leash. The bartender looks at him and says, "Sorry sir, no pets allowed in here."
The man looks confused and says, "But this isn't just any ordinary dog, this is a talking and drinking dog!"
The bartender raises an eyebrow and says, "Oh really? Prove it."
So the man turns to the dog and asks, "What's on top of a house?"
The dog barks, "Roof!"
The man nods and asks, "What's the opposite of smooth?"
The dog barks, "Rough!"
The bartender is impressed and asks, "Okay, but can he really drink?"
The man responds, "Of course! Just watch this." He orders a beer for himself and a whiskey for the dog. The dog picks up the shot glass, downs it in one gulp, and lets out a loud bark.
The bartender is amazed and says, "Wow, that is incredible! Where did you find a dog like that?"
The man replies, "I found him at the circus. He was part of the talking and drinking act there."
The bartender smiles and says, "Well, I have to say, that is one of the best acts I've ever seen. But why did you bring him here?"
The man chuckles and says, "I brought him here to show you that your 'no pets allowed' policy is barking up the wrong tree!"