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: That is a very nice shirt. Did you just buy it? ,F: Yeah, I bought it yesterday. It was kind of expensive, but I just love wearing red.
(A) M: That blue color matches your makeup perfectly. (B) M: The color suits you perfectly. (C) M: I agree. The price is quite reasonable. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
B


Ex Input:
F: What do you think about this idea? Going for a picnic. ,M: Well, I'm not sure, I think it's a bit boring. I think barbecue on the beach would be more fun. ,F: Yes, I agree, but it's quite a lot of work. Someone has to stand here and cook all night. I think we should go to a restaurant instead. ,M: That's true, but it's quite expensive to go to a restaurant. ,F: Well, what about having a party at someone's house? We could order a pizza or just some hamburgers. ,M: I suppose so, I think a fancy dress party is a good idea. We could have a competition and decide who is wearing the best clothes.
(A) F: I agree with you. Having a picnic is the best idea. (B) F: Yeah. We should have a barbecue on the beach. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Yeah. We will have a fancy dress party and a barbecue.

Ex Output:
C


Ex 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. ,M: Well, so it is with me. ,F: Oh sorry, I can't go on talking about it with you any longer. ,M: It doesn't matter, better stay here for another 10 minutes.
(A) F: Okay. Actually, I can go on talking about it with you, and we can stay in this library. (B) F: You mean stay here for another 30 minutes? Oh, I have to end our talk at the door. (C) F: Oh,I can't stay here for another 10 minutes. I really have to end our talk at the door. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:

C