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.

Input: Consider 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.

Output: A


Input: Consider Input: F: Hello, China Travel Agency. Can I help you? ,M: Yes, I'd like to travel to London. So I want to make a reservation for me on May fourth. ,F: Just a moment, please. I'm sorry, but the flights are fully booked on that day. The next available flight is on May fifth. They have 2 flights: one at 9:30 AM and the other at 2:00 PM. Both flights have seats available. ,M: That's great. I'd like to take the first available flight. What's the fair, please? ,F: 2250 yuan. ,M: Here is 2300 yuan.
(A) F: Okay, as you want to take the last available flight, you have to pay 2,300 yuan in total. (B) F: Really? You mean here is 3300 yuan? Oh, actually you just have to pay 2,250 yuan in total. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Well, as you want to travel to London and take the first available flight, you have to pay 2,350 yuan in total.

Output: C


Input: Consider Input: F: Hi, my name is Catherine. ,M: I'm John. It's nice to meet you. ,F: Do you know what this professor is like? ,M: I have no idea. This is my first year. ,F: You are a freshman? Me too. Where are you from? ,M: I'm from San Francisco.
(A) F: I've been there a few times. Now we are schoolmates, I can go there more often. (B) F: Oh, yeah, we met there and became friends since then. (C) F: Oh, yeah, I asked you the same question last year. (D) F: I’m sorry, I don’t understand. Could you say it again?


Output: A