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:
F: I must leave early tomorrow, so it will be difficult to take you to school in the car. ,M: Oh, my bike is in the repair shop, so I guess I'll have to take a bus.
(A) F: So, you mean your bike is not in the repair shop and you will go to school tomorrow by car? (B) F: Really?  Your car is in the repair shop and you will go to school tomorrow by bus? (C) F: Oh, you mean your bike is in the repair shop and you will go to school tomorrow by bus? (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
C


Ex Input:
M: Anna Cole, I'm so glad that I find myself here with you in the training camp. I imagined the training is pretty hard. ,F: Yes, it is. ,M: Could you please talk to me about your daily training? ,F: OK. I get up about 6:45. I have a very light breakfast at 7:00 and then I get to the pool by 7:30. ,M: I see. How long do you train? ,F: All daytime? ,M: You mean you swim for about 8 hours? ,F: Oh, no. Having trained for about 4 hours. I have lunch and then do track work and body exercises in the afternoon. I suppose I train until 4:00 o'clock in the afternoon. ,M: That's a long day. ,F: It's alright. ,M: What about your free time? What do you do? ,F: Well, I usually watch TV. I like American programs and sometimes go dancing at a nearby club. ,M: Dancing? ,F: Yes, but I go to bed early at most nights.
(A) M: Yeah, so you stay up late and dance at a club every night. (B) M: Yeah, so you always stay up late and chat online every night. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Yeah, so you never go to bed early.

Ex Output:
C


Ex Input:
F: We're going to listen to a lecture about environment protection. ,M: Really? I thought we go to see an exhibition.
(A) F: No. We will go to listen to a lecture. (B) F: OK. Let's have a meeting. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: No. We will go to listen to a lecture about animals protection.

Ex Output:

A