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.

Input: Consider 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.

Output: B


Input: Consider Input: M: Well, any luck? Did you see Buster anywhere? ,F: No, I couldn't find him either. I drove all around the neighborhood. I circled our block 3 times, hoping he'll show up. No such luck. I'm sorry, Ben. ,M: It's not your fault. I shouldn't have left the door open. I hope we'll find him. He is such a huge part of our family. He walks with Lily to school every morning. ,F: I'm sure we'll find him. Ben, I remember when I lost my dog, Spot. We looked for 10 hours and finally we just gave up. Not long after we got home, Spot showed up at our front door. They know how to get home, Ben. They always do. ,M: I hope you're right, Lucy. Maybe he'll show up before it gets dark. I just hope he's OK. ,F: He will be, Ben. He has always been loyal to you and your family. He's probably just off exploring.
(A) M: I really hope so. By the way, thank you for helping me looking around our neighborhood. (B) M: I'm just worried. As a neighbor, I know you never raised a dog, so you won't understand it. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: It's fine, Lily. You may leave the office now and pick up your son Buster from his school.

Output: A


Input: Consider Input: F: Do you like this jacket, sir? ,M: Well, it's a bit too large. Do you have a smaller size?
(A) F: No problem, I will get you a skirt. (B) F: Sorry, we don't have a smaller size for this overcoat. (C) F: Why don't you like the jacket? (D) F: Excuse me, could you repeat the question?


Output: D