Lateral thinking 21. Betty signals to the headwaiter in a restaurant, and says, "There's a fly in my tea." The waiter says, "No problem, madam. I will bring you a fresh cup of tea." A few minutes later Betty shouts, "Get the manager! This is the same cup of tea!" How did she know? ANSWER: Betty had already put sugar in her tea before sending it back. When the "new" cup came, i..