Task: Dialogue Generation
Input (English): F: Well, Mister Smith, here you are again. I notice that this is your fourth visit this month. You are taking the medicine I offered you last time, aren't you? ,M: Yes, I take it every morning but I need something else. First of all I have a headache, my head has been aching for almost a week and I'm losing weight and my food taste funny, as soon as I start to eat I lose my appetite.
(A) F: Mister Green, I have told you that taking the medicine four times a day won't help you lose weight. (B) F: You shouldn't take the medicine every night, which causes your stomachache. (C) F: It's useful to take the medicine three times a day. Your appetite has improved. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Output (English): D