6 w - Translate

Two immigrants from Nigeria arrive in the United States and are discussing the difference between their country and America. One of them mentions he's heard that people in America eat dogs, and if they're going to fit in, they better eat dogs as well. So, they head to the nearest hot dog stand and order two 'dogs.' The first guy unwraps his meal, looks at it, and nervously looks at his friend and asks, "which part did you get?"