Two foreign tourists arrive in the US and are astonished to see a man selling hot dogs. "I never realized Americans ate dogs.," says one. "But since we're here we might as well try some." The pair order a couple of "dogs" then sit down to see what they've got. The first tourist opens his bun and looks inside. He pulls a face then turns to his friend and says, "Well, I'm not eating mine. What part of the dog did you get?"