Task: Dialogue Generation
Input (English): M: Excuse me, are you the person who has a house for sale? ,F: Yes, I am, come in. Let me show you around. ,M: Thank you very much. How long have you lived here? ,F: I've lived here since I was married, my husband and I had our twentieth wedding anniversary yesterday.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: You should give me a discount, because you have lived here for twenty years. (C) M: Good to know that you have lived here for twenty years and will not sell the house. (D) M: You mean you are still single and have lived here for only two years?
Output (English): B