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: What are the business hours of the supermarket where you work? ,M: 8:30 AM to 9:00 PM on work days and 9:00 AM to 10:00 PM on weekends. ,F: Thanks.
(A) M: Okay. I mean the supermarket where I work is opened at 8:00 am to 9:00 pm on work days and it is closed on weekends at 9:00 pm, too. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Okay.  I mean the supermarket where my mom work is closed at 9:00 pm on work days but it  is closed on weekends at 10:00 pm. (D) M: Yeah. The supermarket is closed on weekends at 10:00 pm.
Example Output: D

Example Input: M: Have you ever taken History 231? ,F: Yeah, last term. ,M: Who was the professor? ,F: Professor Johnson. ,M: I have him this semester. What do you think of him? ,F: He's a terrible instructor and demands a lot, but fortunately we can get high scores easily in his class. ,M: What did you get? ,F: I got an A, but none of my test scores were that high. So I don't know how I got such a good score. ,M: Really? I was about to give it up, but after hearing your experience, I think I will continue to stay in the class. ,F: You will get a better grade than your test scores. ,M: Thanks for the information. I feel relieved now.
(A) F: You are welcome. Wish you well in the new class. (B) F: You are welcome. Just go and have a talk with Professor David. (C) F: No worries, stay and you will get a good score. (D) F: I’m sorry, I don’t understand. Could you say it again?
Example Output: C

Example Input: F: Hi, can you tell me who Pat Rich is? ,M: Sure. Pat is sitting near the window. ,F: That guy wearing a white hat? ,M: No, that's not Pat. Pat is wearing a brown shirt.
(A) F: Thank you, now I can see him wearing that white hat sitting by the window. (B) F: Thanks, now I see him in that white shirt sitting by the window. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Thanks, now I see him in that brown shirt sitting by the door.
Example Output:
C