Task: Dialogue Generation
Input (English): M: Excuse me, is there anyone sitting here? ,F: Oh, no, please. ,M: Ah, thanks. Um, it's a long flight. ,F: Yeah, 11 hours.
(A) M: The is a long journey on bus. (B) M: The train we take lasted eleven hours. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: It's really a long flight which has 11 hours.
Output (English): D