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:
F: Albert and I need a lot of things to furnish our house. But I don't know where the best place to shop is. Could you give me some advice, Jack? ,M: Sure, Carol. What kind of things do you need right now? ,F: Well, we have most of the furniture already. But Albert wants to set up a little office in the small bedroom. ,M: Well, as for Albert, he should go to an office supply store. There's a very good one called Office Depot. It has everything he will need and the prices are good, too. It's very convenient. ,F: Can I write that down? ,M: Sure, here is the pen on your table. It spelled office and then D-E-P-O-T. ,F: Thanks. I will call Albert and tell him to pick me up after work.
(A) M: Yes, you mean you are going to Office Depot first. (B) M: Yes, you should call Albert first. He will take you home. (C) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) M: I'll going to pick up Albert first.

Ex Output:
C


Ex Input:
M: Sarah I've heard that you want to move into a home stay family. Is it true? ,F: Yes, I've been staying with my aunt and now my cousin is arriving from Singapore and my aunt needs to serve a room for him.
(A) M: You are so considerate. I hope you enjoy staying in a homestay family. (B) M: You are so kind to serve a room for your aunt. She doesn't need to move into a homestay family. (C) M: I'm so glad that you don't need to move into a homestay family. Hope you enjoy your life with your cousin. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
A


Ex Input:
F: I'd like to speak to Mister Johnson, please. ,M: Speaking. ,F: Oh hello. This is Erica Stone. My living room window was broken this afternoon. Can you repair it? ,M: Sure, I can come over tomorrow afternoon. Is that OK? ,F: Could you come over now? ,M: OK. I'll come over and take a look in a little while.
(A) F: Are you sure you can only come over tomorrow afternoon? (B) F: Are you sure you can only come over in several weeks? (C) F: Thank you for coming in such a short time to repair our door. (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:

D