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: F: Are you busy tonight? I was wondering if you could drive me to the airport. ,M: The airport? But that's so far away. ,F: It would really help me out. My car isn't working.
(A) M: I will fix your car, but you need to take a taxi to the train station. (B) M: I will drive you to the airport. (C) M: I can give you a lift and drive you to the train station. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output: B

Example Input: F: One ticket to Chicago, please. ,M: Yeah, Ok, that's $24.00. ,F: Does this one have a dining car? ,M: Yeah, there is a dining car and a snack bar. Here's your change. ,F: Thanks.
(A) M: Why isn't there a dining car? We are on the train, aren't we? (B) M: So although we are in the dinning hall, there is no snack bar, right? (C) M: Why isn't there a dinning hall in the ticket office? (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output: D

Example Input: M: Mary, I know you love gardening and you started your gardening business a few years ago. I just wonder how a hobby became a business. ,F: Well, I read an article about a woman who'd lost her job, she used her savings to start her own business. That made me think. My friends often told me I was a good gardener and I thought, why not? ,M: How did you get started? ,F: Oh, doing small jobs for friends and relatives and I soon found myself getting plenty of work. But there was a lot of rain during that first year, so some jobs took longer than planned. But I got nice comments from people when the jobs were finished. ,M: And how are you getting on now? ,F: Very well, I get most of my new customers from people who have recommended me, and I haven't needed to look for work by knocking on doors. I do advertise, but that's just a few notices in shop windows.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: You are very persevering fora finding customers door to door. (C) M: So you were recommended to have this job? (D) M: Your good reputation makes you more customers. It's no wonder that people recommended you.
Example Output:
D