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: M: Can I help you? ,F: Yes, I'm looking for how to manage your company. It was published this year. It should be very popular. ,M: Yes, it's in high demand. You have to wait for another 2 days.
(A) F: Your company has a good business. (B) F: The next class is English. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Oh my god. I have to wait for another 4 days.
Example Output: C

Example Input: F: Hi, David. How was your day? ,M: Don't ask, it was terrible. ,F: You poor thing. What on earth happened? ,M: Well, at about 11 o'clock this morning, I was skateboarding in the park. ,F: Oh, yes? Did you see Tony there? ,M: No. Luckily, I didn't see anyone I know. ,F: What do you mean 'luckily'? ,M: To start with, I wasn't looking where I was going and I fell off my skateboard. I landed in a pool. I was really dirty. ,F: Oh, no. What did you do? ,M: Well, I was getting on the bus to come home, when the driver shouted at me. He didn't let me on the bus because I was wet and dirty. And I didn't have any money for a taxi. I walked all the way home. ,F: Oh, dear...
(A) M: When I got on the bus home, everyone looked at me. (B) M: I went home on foot. And everyone in the street looked at me. (C) M: Excuse me, could you repeat the question? (D) M: I waited for the water to dry up and then walked home.
Example Output:
B