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: M: Was the movie as good as you expected? ,F: It was a waste of time and money. We should have stayed at home. ,M: Why are you so angry about it? It was just a film after all. ,F: To be honest, nothing in it was worth mentioning.
(A) M: Since you think it's a waste of time and money, why do you want to see it again? (B) M: Since you think the film is very bad, why don't you think it's a waste of time and money? (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: So you think this movie is very bad, right?
Example Output: D

Example 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.
Example Output: C

Example Input: M: Nice to see you marry, come in, please. ,F: Thank you Tom, but I am afraid not now, I come only to return the book borrowed from you. ,M: Wonderful I've been waiting for you a long time and longing to know, what you think of it? ,F: It is very interesting and I've learned a lot from it.
(A) M: Excuse me, could you repeat the question? (B) M: Yeah, it is very interesting. Thanks for coming to return the book. I am glad that you like it. (C) M: I am surprised that you have learned nothing from it, but thanks for coming to see me to invite me for dinner. (D) M: Well, I've not been waiting for you a long time but thanks for coming to see me to return the book.
Example Output:
B