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: Mother's birthday is getting close. Have you thought about what to buy for her this year? ,F: Oh, I totally forgot. It's already May tenth. Her birthday is the day after tomorrow, right? ,M: Yes, I will get mom a beautiful dress. It will make her look younger. What do you want to buy? ,F: Since you will buy her a dress, I'll buy her something else. What do you think of a pair of shoes? ,M: Do you know what size she wears? It may not fit her if she doesn't try them on first. ,F: You're right. Do you have any suggestions? ,M: Well, she saw a handbag when I was shopping with her last week. She seemed to like it very much. ,F: Why didn't she buy it? ,M: She couldn't accept the price, but she really liked it. ,F: How about going downtown tomorrow morning? We can get the present for her there. ,M: OK.
(A) F: And then I'll buy the beautiful handbag for her birthday. I believe she'll love it! (B) F: Since you are going to buy the handbag for mom's birthday, I'll buy the shoes for her. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Let me buy the handbag for you tomorrow as your birthday present, my son.
Example Output: A

Example Input: M: Excuse me, can I join the library? ,F: Are you a student of our college? ,M: No, I'm not. But I hear that it's open to the public. ,F: That's right. ,M: OK. Does it cost anything to join? ,F: Well, it's free for students of our college while it is 125 pounds per year or 35 pounds per quarter for the public.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: That means if I pay by year, it will save me 15 pounds a year. Sounds good. (C) M: Wow, that will save me 25 pounds if I pay by month! That's a real bargain. (D) M: Sounds good! I just pay 35 pounds for the whole year! I'd like to join this library.
Example Output: B

Example Input: M: Excuse me, can you tell me how to get to the History Museum? ,F: Sure. Go through Central Park, pass the high school. Then turn left at the Hilton Hotel, a five-star hotel. It's 2... Um... Oh, no, 3 blocks from here. ,M: Thank you. That sounds easy to find. ,F: Yes. But it's closed today. It's not open on Saturday and Sunday. Just on weekdays, you know.
(A) M: Okay, so it is closed from Monday to Friday. (B) M: Okay, so it is open from Monday to Friday. (C) M: Okay, so it is open through the whole week. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output:
B