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: That is a very nice shirt. Did you just buy it? ,F: Yeah, I bought it yesterday. It was kind of expensive, but I just love wearing red.
(A) M: That blue color matches your makeup perfectly. (B) M: The color suits you perfectly. (C) M: I agree. The price is quite reasonable. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output: B

Example Input: F: Does this bus go to the train station? ,M: No, you'll have to get off at the bank and take another bus. ,F: How long is the ride? ,M: About 10 minutes.
(A) F: Okay, so could you please help me to check my deposits now, since you are the bank clerk? (B) F: Thanks, I need to get on my train right now. See you soon. (C) F: Okay, I'll get off at the train station since this bus will take me there. (D) F: I’m sorry, I don’t understand. Could you say it again?
Example Output: D

Example Input: F: London Hotel, how can I help you please? ,M: Yes, I'd like to book a room for this week in the name of Henry Brown. ,F: Fine. Would you like a single room, a double room or a twin room? ,M: Double, please. My son will be with me. ,F: OK. Could you tell me which day, sir? ,M: Wednesday to Friday. Now check out on Saturday morning.
(A) F: Okay, I see. You will stay in hotel from Monday to Wednesday, and you will stay in the hotel for three nights, right? (B) F: So, you want to stay in the hotel from Wednesday to Friday and you will stay in this hotel for three nights, right? (C) F: Really? Now check out on Saturday evening? So, you will stay in the hotel for four nights, right? Okay, I see. (D) F: Excuse me, could you repeat the question?
Example Output:
B