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.

Ex Input:
M: So what do you want to do tomorrow? ,F: Well, let's look at this city guide here. Huh, here's something interesting. Why don't we first visit the Art Museum in the morning? ,M: OK. I like that idea. And where do you want to eat lunch?
(A) F: I don't know. Since we don't have a city guide, let's go to the park tomorrow morning. (B) F: I'm looking forward to going to the art museum tomorrow. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Although we don't have a city guide, it's a good plan to go to the art museum tomorrow morning.

Ex Output:
B


Ex Input:
F: So David, you don't like sports. ,M: Well, I like sports, but I'm just not keen on sports programs. You know, I would usually rather watch a movie or some kind of history program. ,F: Oh, ok, so you're into history? ,M: Oh yes, I like studying the history of the countries that I have visited. It makes it more interesting when I go sightseeing. ,F: Ok, which countries have you visited? ,M: I been over a good bit of Europe. Ah, Mexico, Peru. I spent almost a year in Egypt and I went to Israel, Jordan and now I'm here in Japan. I've been in Japan for a year and a half, and while I have been here, I visited Korea for about a week.
(A) F: Yes, a week or so in Egypt is too short. But it amazes me that you've never been to Europe. (B) F: You mean you stayed in Korea for one year and went to Egypt for one and a half year? Cool. (C) F: So you spend one year in Egypt and another one in Japan? It seems you really like travel. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
D


Ex Input:
F: It's a terrible day, isn't it? ,M: Yes, it is. This is why our flight was delayed for 2 hours. My parents should be worried about me. They are waiting for me at London airport. ,F: Where did you come from? ,M: Beijing. I was there for a 2 weeks' conference on space technology. ,F: How interesting! I was there for tour. You see, I usually have a tour twice or 3 times a year.
(A) M: Really? You mean you were there for tour? Oh, actually I were in China for a meeting. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: Really? You mean you were there for business? Oh, actually I were in China for a meeting. (D) M: Really? You were in Shanghai for tour? Oh, actually I were in China for a lecture.

Ex Output:

A