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: Hi, I have a reservation under the name Sally. ,M: Hi, Sally, a room for 12 people at 7:30 PM. Is that right? ,F: Yes, we've got two more people coming, though. Is that OK?
(A) M: OK. That's 12 people in total, that's fine. (B) M: Oh, you'll have 16 people having dinner together. The room will fit. (C) M: I didn’t hear you. Please could you tell me again? (D) M: So you're a group of 14 people. No problem. The room is big enough.
Example Output: D

Example Input: F: Excuse me, could I ask you some questions? ,M: Of course. ,F: I work for an advertising agency and I'm doing some research. It's a new magazine for people like you. ,M: People like me? What do you mean? ,F: People between 20 and 35 years old.
(A) M: I am young. The magazine is not suitable for people like me. (B) M: So I am in the young group between 20 and 35, right? (C) M: So I am in the mid-aged group between 35 and 55, right? (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output: B

Example Input: M: You only have an hour for lunch? ,F: No, now I only have 45 minutes. ,M: That's not enough. Where are we going? ,F: We can go to a place near the mall. ,M: Oh, alright, let's go across the street. We can eat at Tony's Italian restaurant. I love their pizza. ,F: I love their food, too. But they are really slow. Last week I waited 30 minutes for my food. ,M: OK. Let's have sushi at Dave's. We can be in and out in 20 minutes. ,F: Today is Thursday, Dave's isn't open.
(A) M: You're right. Dave's is closed today. And we can't be in and out in 20 minutes. (B) M: You're right. I love sushi at Dave's. But Dave's is closed today. (C) M: You're right. Dave's is open today but it is too far away. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
B