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: Hi Tony, it's Alice, my cars broken down. ,M: Oh no, where are you? Have you had your car taken to a garage? ,F: I'm waiting for a repairman to come out and fix it. Can you believe it? I'm at some traffic lights and I'm causing a traffic jam. ,M: Don't worry. I'll come and get you. I need to go to the bank anyway.
(A) F: Please pick me up soon after you go to the bank. (B) F: Can you help me get my car back? It's now stuck in the road. (C) F: I'm waiting for you to pick me up at the bank. (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Ex Output:
A


Ex Input:
M: We'd like 2 rooms, a small room and a large room, both facing the garden. ,F: Very good sir, the small room is $20 a night, and the large room is $30 a night.
(A) M: So I have to pay $50 a night. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: I only need a large room, so I need to pay $20 a night, right? (D) M: I only need a small room, but I need to pay $50 a night, right?

Ex Output:
A


Ex Input:
M: Millie, tomorrow is your mom's fiftieth birthday. Do you know that? ,F: Of course. What should we do for it? ,M: First of all, a birthday present. What about buying her a beautiful skirt? ,F: That's a good idea. It'll make her look younger. And a big birthday cake, too. ,M: Right? Should we have a special dinner? ,F: How about a Chinese dinner? ,M: Fine. Where shall we have it? ,F: We can have it at home. I have learned to cook a few dishes from a Chinese friend. I'm sure mom will like them.
(A) M: Your mom will cook the special dinner for your 15th birthday party, Millie. (B) M: So you will invite a chef friend to cook French cuisine for our wedding dinner? (C) M: I believe she will definitely love the Spanish dinner you cook for her 40th birthday. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Ex Output:

D