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: I can't wait for my birthday party this Saturday evening. I hope it will be better this year. I'm hoping for something surprising and a lot of gifts. ,F: It will be. There will be a lot of people at your party. ,M: I know my friends are preparing to give me a big surprise these days. ,F: How do you know? ,M: I saw Tom wrapping a big box with Alice, Bob and Annie
(A) F: Oh, I am pretty surprised about that, they really did a lot things for Bob's birthday party this Saturday evening. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: To tell the truth, I'm as excited as you are, I also want to know the result of the test we did yesterday. (D) F: You are so calm, don't you want to know what they have prepared for Alice's birthday party this Saturday evening?

Ex Output:
B


Ex Input:
F: Dad, look at this friendship quiz. ,M: Why don't you try it? The first question, how often do you get in touch with your friends? ,F: Hmm... My friends aren't in the same secondary school as me, and I dislike ringing people up. I don't call my friends, even once a week. ,M: That means seldom. Secondly, how many friends can you talk with when you are upset? ,F: Oh, I can't think of any. I usually talk with you or mom when I feel sad.
(A) M: Poor Susan. So you usually talk with your friends when you're upset. (B) M: Poor Susan. So you usually talk with me and your mother when you're upset. (C) M: Poor Susan. So you usually talk with me and your mother when you're happy. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
B


Ex Input:
F: Hello, Universal Export Shanghai. May I help you? ,M: Good morning. This is Ryan Jacob from New York office. May I speak to David Parker please? ,F: Certainly, Mr.Jacob. Can you please hold for a moment? ,M: Thank you. ,F: I am sorry to keep you waiting, Mr.Jacob. Mr.Parker apologizes for not being able to speak with you at this moment. He is on another line. When can he call you back? ,M: Uh, let me see. It's 9:00 o'clock in the evening here. We are 12 hours behind. Tell him to call me in the next 2 hours. Otherwise, tonight after 8:00 o'clock. ,F: Do you mean tonight Shanghai time? ,M: Yes, that would be your time.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: OK, I'll remind him to call you at 2:00 in the afternoon Shanghai local time. (C) F: OK, I'll remind him to call you at 9:00 in the evening Shanghai local time. (D) F: OK, it's 9:00 in the morning here in Shanghai, I'll remind him to call you in 3 hours.

Ex Output:

A