challenge: Why might a customer not receive the expected 'Beijing beer' when ordering in a restaurant?
  
  A. Because the restaurant has run out of the Asahi-produced Beijing beer
  B. Because the menu is referring to Yanjing beer, which is actually the old name for Beijing
  C. Because the restaurant only serves beers from a specific region of China
  D. Because the customer has mispronounced the order
  Answer: 