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: M: A cup of coffee sounds good, doesn't it? ,F: Yes, but I think I'll have orange juice first. ,M: Do you feel like having anything to eat? ,F: Well, I think I'll try the pancakes.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: No problem if you want to have orange juice first. I'll order strawberry cake for you later. (C) M: All right, I'll order orange juice for you first. (D) M: You want to have some lemonade first, right?
Example Output: C

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: F: Why are you in such a hurry? ,M: The movie begins at 5:30, I've got only 15 minutes left.
(A) F: Don't worry, we will arrive at 5:45, just on time for the movie. (B) F: No worries, our car will pick us up at 5:30. We will be there on time. (C) F: You are right, I can see on my ticket that the movie starts at 5:15. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output:
D