Task: Dialogue Generation
Input (English): M: Are you ready for the trip to the Big Apple? ,F: The Big Apple? What are you referring to? ,M: Don't you know? The Big Apple? Is the nickname for New York City. You're going to New York with us, aren't you? ,F: Yes, I'm going. I'm really looking forward to seeing an exhibition of a modern American painter there, but I'm wondering where the nickname came from.
(A) M: I knew the art show. Shall we go together? (B) M: I thought you are not into the modern art. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: So are you going to see the modrn dance show in L.A?
Output (English): A