In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.

Example Input: 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. ,M: The train's pulling in. Do we have time to get offen stretch our legs? ,F: You may go out if you want. The train will stop for 1/4 of an hour before it continues on its way. Whatever you do, don't miss it.
(A) M: Really? The train will stop for 1/2 of an hour before it continues on its way? Oh, I want to give up the travel. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Don't worry. I just want to get off and relax and I will not miss it. (D) M: Really? The train will not stop for 1/4 of an hour before it continues on its way? Oh, I want to stop the train.
Example Output: C

Example Input: F: Hi, Rob. Do you mind if I eat lunch with you? ,M: No, Mrs. Evans, not at all. ,F: Thanks. I've just heard you study nutrition and you've got quite a lot of experience working in the cafeteria, so I wonder if you are interested in a small project we're doing this term. ,M: What is the project about? ,F: More and more students prefer not to buy meals here and we want to attract them back. I want to know what the students would like to eat. Your job will be finding this out. Of course, I also like to hear any of your ideas. ,M: Well, if the menus were changed, maybe I wouldn't have to listen to so much criticism this term. You know, everyone in the nutrition class sees me when I serve food here, so they always complain to me about the food here.
(A) F: Excuse me, could you repeat the question? (B) F: Now that your job is cooking food for the students, you can ask them what they like to eat. (C) F: As more and more students prefer to buy meals here, you must very busy everyday when serving food for the students. (D) F: Then you should tell them that you have improved meals' nutritional value, it's your job to tell them.
Example Output: A

Example Input: F: The six o'clock, 7:30 and 8:00 o'clock trains to London, still have seeds open. Which one would you like? ,M: I'll take the 6:00 o'clock train. How long will it take to get there? ,F: Well, it'll take two and half hours to get to London.
(A) M: So you will take the 5:30 train and arrive in London at 8:30. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: You mean you will arrive in London at 8:00 because it take two hours. (D) M: It will only take two hours to get to London, so you will arrive in London at 7:30.
Example Output:
B