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: Why do you like your college so much? ,M: Because it has great teachers and I like all my classmates, too. But most importantly, it's not expensive.
(A) F: Yes, classmates are always the main reason we like our college. (B) F: I understand. Your college won't cost you much, so you like studying there, even though your classmates aren't friendly. (C) F: Now you can be happy to take classes from great teachers. That was your dream. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: D

Example Input: F: I'm so sorry I'm late, Mister Stone. ,M: I think I did ask Miss Jones to inform everyone that the meeting started at 11:00 sharp, now 10 minutes have passed already. ,F: I'm really sorry, Mister Stone. It's raining cats and dogs, and I had to wait ages for a taxi.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: I know it's raining today, but the others are not late. That's no excuse. (C) M: It's windy today. Waiting for the bus to go to work is not a good choice. (D) M: It's hot today, so I asked Amy to inform everyone of the 12 o 'clock meeting.
Example Output: B

Example Input: M: Did you have a good vacation Katie? ,F: Yeah, I took a nature adventure tour. For the first part we went hiking. It was so much fun. We hiked all the way up to these beautiful waterfalls. I took lots of pictures. ,M: Sounds great, so what else did you do on the tour? ,F: Well, the best part was at the end of the trip. I jumped out of an airplane.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: So, you think the best part was at the beginning of the trip and you took a nature adventure during your vacation? (C) M: Really? You mean you didn't jump out of an airplane but you took photos of airplanes during your vacation? Okay, I see. (D) M: That's great! And you drived all the way up to these beautiful waterfalls and you saw pictures of waterfalls during your vacation?
Example Output:
A