Task: Dialogue Generation
Input (English): F: Wait, Ben, did you say you had a party Saturday? ,M: Yeah, you didn't know about it? It was my birthday. ,F: No, I didn't. ,M: But I've invited you. I sent you an email last week. ,F: Are you sure? I didn't get it. Oh, you know what? I didn't tell you I have a new email address. Oh, I am sorry. ,M: That's ok, but I was kind of upset but you weren't there.
(A) F: I apologize. Although I saw the e-mail, I forgot all about your birthday party. (B) F: I didn’t hear you. Please could you tell me again? (C) F: Ben, why didn't you invite me to your birthday party? I was hoping to go. (D) F: Sorry. I did see your e-mail, but I didn't know it was your birthday party.
Output (English): B