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: I would like to make a hotel reservation. ,F: What day will you arrive? ,M: I will arrive on May fourteenth. ,F: How long will you stay? ,M: I need the room for 3 nights.
(A) F: So, you are gonna leave Shanghai on May 14th. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: On May 16th, you will go to the United States, right? (D) F: Sir, you can check in our hotel on May 17th.
Example Output: B

Example Input: M: What's your favorite fruit, oranges or bananas? ,F: I like oranges better than bananas, but I like apples best.
(A) M: You like apples best? Me too. (B) M: I didn’t hear you. Please could you tell me again? (C) M: You like oranges best? Me too. (D) M: So bananas are your favorite fruit, right?
Example Output: A

Example Input: M: Hello. ,F: Oh, hi. ,M: Please allow me to introduce myself. My name is Tom. ,F: Please to meet you. My name is Alice. Did you just move in next door? ,M: Yes, I did. Have you lived here long? ,F: Me? I guess so. I've lived here for about 6 years. Have you lived in America very long? ,M: No, not really. When I left Vietnam, I came to America and I lived with a cousin in Dallas for 2 years. Where do you work, Alice? ,F: I teach mathematics at a college. What do you do? ,M: I am an accountant in a company.
(A) F: You are an accountant in a company? Well, in this college,  it's good to meet you. (B) F: Really? You are a manager in a company? Oh, it's good to meet you at this college. (C) F: Well, I teach mathematics at a high school and it's nice to meet you at this company. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output:
A