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: Would you like to come mountain climbing with us? ,M: That's the last thing in the world I ever want to do.
(A) F: Since you haven't travel around the world, why don't you travel to Japan with us? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Alright, since you don't want to go skiing with us, we'll leave you alone. (D) F: Well, since you don't want to go climbing the mountain, we'll go without you.

Ex Output:
D


Ex Input:
F: Police station, can I help you? ,M: Yes, I'm calling to tell you I found a car. I thought it might be a stolen car. ,F: I see. Where exactly did you find it? ,M: Near the number 8 bridge along the London Road? ,F: Can I know your name and address please? ,M: Henry Roberts. I live at 51 Eaton Road. ,F: What do you do, Mister Roberts? ,M: I'm an engineer at backs at company.
(A) F: I see. You are an engineer, aren't you? What else did you find? (B) F: Oh, you are also a policeman. Why do you need to call us? (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: I see. You are a driver and you have found a stolen bike.

Ex Output:
A


Ex Input:
F: Hi, Mister Roger. My name is Patty Grace. And I'm calling about the Oak Furniture said I saw advertised in the newspaper. Can you tell me what condition the items are in? ,M: There are in excellent condition. In fact, they've hardly been used at all. My wife and I bought them before we moved. And there just isn't enough room in our new apartment for all of them.
(A) F: Since they've been used, I am calling you to sell you some pieces of furniture. (B) F: I'm calling you to buy something from you, but they've been used, right? (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Now that the items are not in excellent condition, I am calling to set a date to visit your new apartment.

Ex Output:

C