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: Welcome back to your student union radio station. I'm with Catherine, who just successfully climbed the Great Mountain, Mont Blanc. Actually, she once did. The same climb in 2007. Catherine, was it easier the second time around? ,F: In many ways. They were totally different experiences. The first time I went as part of an organized group. We took 4 days to reach the top. This year, I decided to go alone with just one overnight stop, actually you're never really alone. It's all been crowded up there. The first climb, was quite difficult is the weather was very changeable, and we found ourselves climbing in very cold windy conditions. The weather this time was wonderful. Plus. I spent a few days before in chamonix and got myself more used to the height. If it's certainly made it easier, you can also achieve the same thing by climbing some of the smaller mountains first.
(A) M: You are used to climbing mountains in a group, and you never climb alone. (B) M: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) M: You are so brave that you successfully climbed the Mont Blanc on your own. (D) M: You climb mountains with a guide? No wonder you just took 2 days to reach the top.
Example Output: C

Example Input: F: Hi Tony, it's Alice, my cars broken down. ,M: Oh no, where are you? Have you had your car taken to a garage? ,F: I'm waiting for a repairman to come out and fix it. Can you believe it? I'm at some traffic lights and I'm causing a traffic jam. ,M: Don't worry. I'll come and get you. I need to go to the bank anyway.
(A) F: Please pick me up soon after you go to the bank. (B) F: Can you help me get my car back? It's now stuck in the road. (C) F: I'm waiting for you to pick me up at the bank. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: A

Example Input: F: Excuse me, do you think I can return these gloves? ,M: What's the problem with them? ,F: They're too small. ,M: Didn't you try them on before you bought them? ,F: Well, as a matter of fact, I received them as a gift. ,M: OK, I see. I'm afraid I can't give you a cash return, but you can change them. ,F: I believe you sell these gloves for $29.95. ,M: Yes, I'll take the gloves of the same price for you to choose. ,F: But that pair looks nice. May I have a try? ,M: It's for $35.25. If you like to take that pair, you'll pay some extra money. ,F: OK, I will.
(A) M: Thank you madam, you have to pay me $5.3 extra. (B) M: The extra money is $35.25, you pay in cash or card? (C) M: So you have to pay me $29.95 as extra money. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
A