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: Hello, computer consultants. ,F: Hello, I'm interested in the Nova computer. ,M: The basic model or the basic plus? ,F: Which one is more suitable for a small restaurant? ,M: Well, it depends on what you really need. Both of them have the latest and greatest hardware. ,F: Well, we do need a wide range of software. ,M: Then I think you should consider the basic plus.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Please give me more information about the basics plus model. (C) F: I don't need computer, but you're welcome to our restaurant. (D) F: I'm not interested in Nova, but I want to buy a Supernova one.

Ex Output:
B


Ex Input:
M: Alice, fancy that. ,F: Yeah, Bruce. Fancy meeting you here. ,M: I am here to refresh myself. I would like to feast my eyes on an excellent rugby game. ,F: What is that? ,M: It is the rugby game between at Yale and Harvard University a yearly event.It is also regarded as the glory fight for the 2 universities. It is the American version of the Oxford in Cambridge boat race. ,F: That must be a big shot, I do not care about sports that much in the spare time. Can you tell me more? ,M: You are finding the right person, my pleasure. This rugby game started in one thousand eight hundred and seventy-five and has been held 133 times. Usually taking place in November. The 2 universities take turns to be the host. ,F: I know there are always cut throat competitions between the 2 universities, can it be seen as a kind of competition? ,M: Yeah, exactly. Both universities counting much on it. ,F: I bet the scene must be fantastic.
(A) M: Yeah, it cannot be seen as a kind of competition and the game is noisy. (B) M: Yeah, the two companies are counting much on it and the game is fantastic. (C) M: Excuse me, could you repeat the question? (D) M: Really? You bet the scene can't be fantastic and you think it is boring?

Ex Output:
C


Ex Input:
M: Shall I pick you up then? ,F: I don't know. The traffic will be really bad at that time. You know what it's like after a concert. I was thinking of catching the train. ,M: Hmm...It will be late. Won't that be a bit dangerous? I'm not busy you know. ,F: That's really kind of you. I've also thought of getting a taxi, but then there's still the traffic to worry about. I think my original idea is the best.
(A) M: So, you've not thought of getting a taxi? Okay, I will pick you up. (B) M: So, you  think your original idea is the best and you will go home by train? (C) M: So, you think your original idea is not the best and you will take a taxi? (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:

B