Task: Dialogue Generation
Input (English): M: Don't worry about your train sickness. I have brought some tablets with me that prevent train sickness. Here, take this one now. I'm sure you'll be alright on the train. ,F: It's very kind of you. By the way where is the dining car? ,M: The dining car is next to the sleeping car. Shall we eat our meals in the dining car? ,F: The attendant will bring some food here. But since the dining car is next to this carriage, we may just as well eat there. ,M: That's alright. How beautiful the scenery is. Look at the vast stretches of green fields. ,F: But it looks lovely only at this time of the year. It's rather dull and lonely in winter. ,M: That's why I prefer to travel in the summer and autumn. ,F: Me, too. I love summer, though it is hot.
(A) M: Really? You don't love summer, so you travel in winter now? (B) M: Yeah, I also don't  prefer to travel in the summer or autumn, so I travel in spring now. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: Really? You love summer because it's not hot? And that's why you travel in summer now?
Output (English): C