A guy and his dog went into a bar and made a bet with the bartender...
A guy and his dog went into a bar and made a bet with the bartender. The guy said his dog could talk and he bet the bartender 1 free drink for him if the dog could answer a question. The bartender says okay because there's know way a dog could talk. The guy asks the dog, "What grows on trees?" "Bark" says the dog. The bartender refuses to give him a drink and makes him ask another question. "What's on top of a house?" asks t…