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: Here we go. Now, Terry, you were saying that you went from Vancouver to San Diego. How many days did that take? ,M: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: It just took you 42 days from New York to San Diego? That's amazing. (C) F: It is worthy for you to travel in China for 40 days, it a wonderful country. (D) F: The 36 days stay in Japan must be interesting, right? Tell me more about that.
Example Output: A

Example Input: M: Hi, Mary, you are in Boston, too. I remember you are admitted to Washington University. And are you meeting someone at the airport? ,F: Glad to meet you here, Bob. I am meeting my parents. You are paying a visit to your grandparents?
(A) M: Yes. Have your parents' flight arrived? I can give you a lift later. (B) M: I see that your parents' flight has been delayed, darling. Let's wait. (C) M: Correct. Anyway, it's very surprising to see you at the train station. (D) M: I didn't hear you. Please could you tell me again?
Example Output: A

Example Input: F: I really need to find a job now. ,M: So do I. Do you see anything good listed? ,F: How about this telephone sales job? You call people and try to sell them magazines. ,M: That sounds boring and anyway I'm not good at selling. ,F: Well, I am. I might check that one out. Oh, here's one for you, an entertainment director assistant on a ship. ,M: That sounds fun. I love traveling and I've never been on a ship. ,F: It says here you have to work everyday while the ship is at sea. That'll be tiring. ,M: That's OK. I don't mind working long hours if the pay is good. I think I'll apply for it.
(A) F: Yeah, I agree with you. Working as a director assistant is quite boring. (B) F: You're right. Working as a director assistant can be tiring. (C) F: Well, I agree with you. Working as a director assistant is not appealing. (D) F: I'm sorry, I didn't understand. Could you repeat a little louder, please?
Example Output:
D