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: What a nice garden! Look at these flowers. ,F: That would be a good shot. Can you take my picture here, dear? Please try to get the garden in the frame as well. ,M: Alright. Would you please stand closer to the flowers? Good. Smile. Say cheese. OK, got it. That's terrific. ,F: Thanks. Could you take one more from this angle? ,M: No problem. Got it! ,F: Now let's take one together. ,M: Do you know how to set it to take a picture of the 2 of us? ,F: Let me see. We just push this button. OK, come here! ,M: OK. Here I come! ,F: Cheese! ,M: Did it come out? ,F: Yes, but it's a little dark. ,M: Never mind. Let's go to the falls and try again. ,F: OK, let's go.
(A) M: Ok, you stand in front of the garden. I'll take a picture of you (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: Ah! Stand near the falls. It's perfect for taking pictures. (D) M: Please stand near the falls, I'll take the third photo of you.

Ex Output:
C


Ex Input:
F: Hello, Tom. How are you finding teaching here? ,M: I get the feeling that somehow the school successful. The buildings and furniture are so old, yet amazingly, the students seem happy. These days you can't compete in less you can really provide the best. That's the trouble with these small family owned schools, so many are taken over by large companies. They seem to offer a whole range of subjects, not just English and maths. ,F: I think that's good. Because they can bring together a mixture of teachers of different subjects. A geography teacher say might give you fresh ideas that you can apply and teaching English or math. ,M: I've always found it a real eye opener talking to other English teachers, because people's methods of teaching the same subject can vary so much. Actually, I sometimes feel that about classes. I feel it's my role as the teacher to make sure we get on all right, but I can't always do it.
(A) F: Really? You feel it's your role as the teacher to make sure we get on all right and you can always do it? Wow, you are a good math teacher! (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: So, you mean as an English teacher, you feel it's not your role as the teacher to make sure we get on all right? (D) F: OK, I see. And I think you are a good English teacher.

Ex Output:
D


Ex Input:
F: I just joined the health club. How long do you think it will take me to lose 10 pounds? ,M: There are many steps for losing weight and keeping it off. Too much eagerness could do more harm than good. ,F: Then what should I do to cut down on my weight gradually? ,M: You need a systematic training program. First, we should do some simple exercises and then I will design a training program for you. ,F: OK, you are a professional, so I'll just do what you say. ,M: I don't want you to just listen to me. We need to work together to decide what kind of program will help you lose weight.
(A) F: OK. Since we have decided the training program, let's starting training soon. (B) F: Fine. Let's do some simple exercises now as you suggested. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Sure. Which training program do you think I should pursue?

Ex Output:

D