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: Look at the monkeys running around on the rocks. They are so lovely. ,M: Yes, their surrounding seems to suit them very well. Let's go over and see the panda now.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Before we go, do you know where is the toilet in this zoo? (C) F: Excuse, how much are these in total? (D) F: I can't find this museum's exit.
Example Output: B

Example Input: M: Excuse me, I asked for this salad without cheese on it, but this one is covered in it. ,F: I'm sorry, sir. I'll take it back and bring you out a new one. Can I get anything else for you? ,M: Just another soda, please. Thank you.
(A) F: You are welcome, I'm bringing you the salad right now. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Ok, I will take away your soda. (D) F: Please wait a moment and I will bring you some cheese.
Example Output:
A