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: Hello, I want to ask you how to draw money. ,F: There is quite a long line in front of the bank windows. Please use this machine.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: Since there are few people in the bank, I'll just wait in front of the windows. (C) M: I need to go to the bank after we have meals in this nice restaurant. (D) M: I need to go to the bank after we check out in the hotel.
Example Output: A

Example Input: F: Welcome to our program. Today we have invited Fred Watson, an expert on the environment to talk to us.
(A) M: Nice to meet you guys. Let' s talk about environmental problems today. (B) M: Hello, everyone! My name is Bob, today, let' s talk about modern technology. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Thanks, I' glad to be your studio. Today, our topic is about industrial development.
Example Output: A

Example Input: M: Welcome back, madam. How did you find the drive? It's a bit different from your own car, isn't it? ,F: Well, I certainly liked the radio control. I always think I'm going to have an accident every time I change stations in my car.
(A) M: How much did you pay for the new car? (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: We can't test drive a new car here. This is the repair shop. (D) M: You must be very tired. This radio program was recorded for three hours
Example Output:
B