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: F: Have you completed the arrangements for the trip yet, Brian? ,M: I've made the reservations, but there are still some details to make sure. Your plane leaves at 8:30, so I'll pick you up at your house at 6:00. ,F: 6:00? I'll have to get up in the middle of the night! ,M: I'm sorry. You have to check in by 7:00 and I think there will probably be a long queue. ,F: Oh, very well. What about my meetings? ,M: First, the Managing Director is coming to the airport to meet you.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Good. I'm glad that the Managing Director is coming to the train station to meet me. (C) F: Good. I can't wait to see my doctor at the train station. (D) F: Good. I can't wait to see the secretary at the train station.
Example Output: A

Example Input: F: All you do all day is working and watching TV. You really should start thinking about exercising. ,M: I never thought about that. But you're right. I should start doing more outdoor activities.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: You need to reduce outdoor activities and have a good rest at home. (C) F: It takes me three hours to finish my homework every day. (D) F: You can do some outdoor exercise after dinner every day.
Example Output: D

Example Input: F: I want to mail this package to Korea. ,M: How would you like to send it? ,F: First class, please. ,M: It will cost you 20 pounds because your package is too heavy. It will take 2 days to get there. ,F: 20 pounds? Is there a cheaper way? ,M: Yes, there is. It's the package post way, but it will take you 10 days longer than the first class to get there. ,F: OK, I think I'd like this way.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Okay, then you go to the first floor of the hospital to get your medicine. (C) M: These are to be sent to Japan. (D) M: You had better get on the plane as soon as possible.
Example Output:
A