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: So Alice, when do you begin? ,F: I start on the twenty-first. I'm hoping to hurry to the coast before I'm too busy. ,M: I don't blame you, you're going to be working long hours, and should get a little rest before it all starts. ,F: We don't actually start working on the first day, but there's going to be some hard training. All new volunteers are required to complete 10 days of training, so I do want to get a little play time before that.
(A) M: So, you think the voluntary work is tiring but you don't want to get a little play time before training? (B) M: So, you think the voluntary work is tiring and you do want to get a little play time before training? (C) M: So,  you think the voluntary work is meaningful although new volunteers are required to complete 25 days of training? (D) M: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
B


Ex Input:
M: And so tired! I've been up late studying for the math exam for the last 2 nights. ,F: I have, too. But I'm so nervous that I can't fall asleep at night. ,M: Maybe you can drink a glass of milk and take a bath before going to bed.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, it is a best way to relax. (C) F: How about your study report? (D) F: Since we have taken too mu time on Chinese exam, I think we should have a good rest.

Ex Output:
B


Ex Input:
M: Are you going to Spain with us next month? ,F: No. Unfortunately not. ,M: Why not? Are you scared of flying? ,F: No, it's not that. It's just that I've never been outside the United States. So I don't have a passport. ,M: Oh, is that all? You can get one. It's super easy. ,F: No, I tried to. I went to the passport office. Unfortunately, it'll take at least 6 weeks for the passport to arrive. And you guys are leaving in a month.
(A) M: Yes, we are leaving for Spain in about four weeks. (B) M: Oh, it is a pity that you can't go with us, because we leave for Japan in about three weeks. (C) M: Excuse me, could you repeat the question? (D) M: I'm so glad that you can go to Spain with us in about six weeks.

Ex Output:

A