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: Good morning, sir. How can I help you? ,M: I'd like to rent a car for the weekend.
(A) F: OK. What kind of car would you like to reserve this Friday? (B) F: Excuse me, could you repeat the question? (C) F: OK. What kind of room would you like to book this Friday? (D) F: OK. What kind of car would you like to rent for this Monday?
Example Output: B

Example Input: M: Anna Cole, I'm so glad that I find myself here with you in the training camp. I imagined the training is pretty hard. ,F: Yes, it is. ,M: Could you please talk to me about your daily training? ,F: OK. I get up about 6:45. I have a very light breakfast at 7:00 and then I get to the pool by 7:30. ,M: I see. How long do you train? ,F: All daytime? ,M: You mean you swim for about 8 hours? ,F: Oh, no. Having trained for about 4 hours. I have lunch and then do track work and body exercises in the afternoon. I suppose I train until 4:00 o'clock in the afternoon. ,M: That's a long day. ,F: It's alright. ,M: What about your free time? What do you do? ,F: Well, I usually watch TV. I like American programs and sometimes go dancing at a nearby club. ,M: Dancing? ,F: Yes, but I go to bed early at most nights.
(A) M: Yeah, so you stay up late and dance at a club every night. (B) M: Yeah, so you always stay up late and chat online every night. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Yeah, so you never go to bed early.
Example Output: C

Example Input: F: Do you know what Jason's home phone number is? ,M: I can't think of it off the top of my head. You might want to look it up in the phonebook. ,F: I've checked it already, but it seems that his phone number is unlisted.
(A) M: I think since you don't have Jason's home phone number, you can ask someone else. (B) M: Oh, maybe you can find your phone book in the lost and found office. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: Don't worry, though you don't have Jason's home phone number, I remember it and I will tell you.
Example Output:
A