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: Charlie, do you know a restaurant called Bravo? ,M: Bravo? I know the name, but I'm not sure where it is. ,F: It's on George Street. The food there is excellent.
(A) M: Oh, I'm sure where it is. Let's talk more about its dish. (B) M: Excuse me, could you repeat the question? (C) M: Oh, really? It is not on George Street? Let's talk more about this street. (D) M: Yeah, the food there is excellent. Let's talk more about this restaruant.
Example Output: D

Example Input: M: Good morning, Ann. ,F: Good morning, Mister Jones. ,M: How about a cup of coffee? ,F: I will make it now. ,M: And can you tell me what meetings I have this week? ,F: I will bring the diary. OK, this afternoon you have a meeting with your accountant at 5:00 PM. On Wednesday, you are going to London. Don't forget your train leaves at 9:30 AM. ,M: OK, what time is my meeting in London? ,F: At 11:30 AM. And on Thursday, Miss Von wants to talk to you.
(A) M: Thanks, you are a good student. (B) M: Thanks. I am such an excellent secretary. (C) M: Thanks, you are such an excellent secretary. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output: C

Example Input: F: Hello? ,M: Hello, is that Zhulin? ,F: Yes, speaking. ,M: Oh hello. I'm a student and I have a question. Well, a friend of mine is studying in the UK now and she is worried about returning to China after her studies. She's worried that there are no job opportunities for her here. Do you have any advice for her?
(A) F: Since your friend has never been abroad, she should worry about how to study in the United Kingdom. (B) F: Since she is studying in the Japan, she shouldn't worry about her future career opportunities in China. (C) F: She doesn't need to worry about her future opportunities in China. There will be a lot of jobs. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Example Output:
C