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: How is there only one more week of summer vacation before we have school again? I haven't even been to the beach yet. Can we go tomorrow? ,M: I'd love to but I promise to Sadie I'd go to the movies with her.
(A) F: OK, Let's meet at the bus stop at eight tomorrow and go to school together. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: You can shopping in the cinema and then see the movie in the restaurant. (D) F: Which movie are you going to watch?
Example Output: D

Example Input: M: Why aren't you at your dancing class this evening, Mum? ,F: Our teacher can't do the class this week. ,M: Is she ill again? ,F: No, she's fine now. She's flying to Paris tonight, because she's got a meeting there tomorrow.
(A) M: Excuse me, could you repeat the question? (B) M: I've never thought your dance teacher won't come to the class for flying to Paris tomorrow. (C) M: I wonder how urgent the wedding is so that she need to take the flight tonight. (D) M: Your teacher is occupied tonight for a meeting? She's really busy.
Example Output: B

Example Input: F: My watch says it's 20 to 2 already. What's the time by your watch, sir? ,M: Let me see, it's 1:30 in the afternoon. ,F: Where are my noodles then? I've been sitting here for 20 minutes according to your watch. ,M: I'm so sorry. I'll check. It must be ready now.
(A) F: I'm sorry, I don't understand. Could you say it again? (B) F: Please be hurry because I am starving right now. (C) F: Excuse me, where sells fruits and vegetables? (D) F: Oh, this watch is so lovely!
Example Output:
B