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: All the time I was at school, I wanted to be a nurse. But my mother worked in a shop and said it wasn't good to be on your feet all day. ,M: Then what's your job now? ,F: I'm doing what I always wanted to do.
(A) M: I see, you are a teacher now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I see, you are a nurse now, and it's surprised me that you just wanted to be a nurse recently. (D) M: I see, you are a nurse now.
Example Output: D

Example Input: M: We can go to see the movie, saving the planet at the rock. What time does it start? ,F: 8:00 o'clock. ,M: So we can be back about 10:30, right? ,F: No, it doesn't end until 11. ,M: I can't sit in the cinema so long.
(A) F: Really? You can sit in the cinema so long? Oh, the film Saving the Planet last just lasts two hours. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Really? You can't sit in the cinema so long? Oh, the film Saving the Planet last just lasts three hours. (D) F: Well, actually we can be back about 10:30 and the film Saving the Planet last just lasts three hours.
Example Output: C

Example Input: M: May I help you? ,F: Yes, I was trying to log into the patient website, but it seems that I need an email from you.
(A) M: You've logged into the doctor website, so you can see the doctor soon. (B) M: Although you succeed in logging into the patient website, you need to email your doctor. (C) M: Don't worry. I can help you log into the patient website. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output:
C