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: Hello, Mr.Smith. This is Janet Bush. ,M: Hello, Miss Bush. ,F: I'm afraid I'm going to be late for our appointment. My friend was supposed to pick me up from the airport, but she just called me and said she is stuck in traffic downtown so she won't be here right now. It's 11 now, so there is no way I'm going to the restaurant at 11:30 as we planned. I wonder if we could reschedule our appointment to sometime this afternoon? ,M: Certainly. What about 2:00 o'clock in my office? ,F: That would be fine. See you then. ,M: See you.
(A) F: Excuse me, could you repeat the question? (B) F: OK. You should be at my friend's house at two in the afternoon. See you. (C) F: OK. I will be your office at 3:00 pm. See you. (D) F: OK. I will be your office on time. See you.
Example Output: D

Example Input: M: Guess what I'll be doing this summer. ,F: What? ,M: I'm going to work at the Riverside Hotel. ,F: What exactly will you be doing? ,M: Let's see. I'll be doing some small repairs inside and outside the hotel. I'll be cutting grass and taking care of the flowers. ,F: Sounds interesting. What's the pay? ,M: Well, about $15. 00 an hour, 5 hours a day and Sunday free. ,F: That's good money. What are you going to do with it? ,M: I'll pay for the textbooks for next term.
(A) F: So you want to spend your money on a gardener? But your pay is only $10 an hour. (B) F: Although you are planning to use this money to buy books for the next semester, you only work three hours a day, which is not enough. (C) F: Ha, you're going to spend the money on books next term! Good idea. (D) F: Excuse me, could you repeat the question?
Example Output: C

Example Input: M: How long before we land, do you know? ,F: It's 3:00 o'clock now, so there is still an hour left. Why don't you get some sleep in the mean time? I'll wake you up when we reach Kennedy airport.
(A) M: Thank you. Do not forget to wake me up when our plane lands at Beijing airport. (B) M: Thank you. Do not forget to wake me up when our plane land. (C) M: Thank you. Do not forget to wake me up when the meeting is over. (D) M: I'm sorry, I didn't understand. Could you repeat a little louder, please?
Example Output:
B