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: 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.

Output: B


Input: Consider Input: F: Welcome to the parent teacher conference. So what is your child's name? ,M: Megan Jones. ,F: Let's see, um, she missed the last couple of days has she been sick? ,M: No, she's been having some problems with the other kids in your class. ,F: Well, you know, junior high school is the difficult time, but she just needs to speak up a little more in class.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I agree with you. I'll encourage her to take some pictures and talk less in class. (C) M: All right. I'd like to encourage her to speak a little more in class. (D) M: All right. I won't encourage her to speak a little more in class.

Output: C


Input: Consider Input: M: How do you learn that? Is that something that your mother would teach you? ,F: There is some classes for both flower arrangement and tea ceremony. So you need to go to a school, yes, and learn from your teacher.
(A) M: Your school life would be boring because school does not offer any art courses. (B) M: It's no wonder you don't know any kinds of art, because there is no art courses in school. (C) M: Excuse me, could you repeat the question? (D) M: Great! I also wanna go to school to learn some kinds of art.


Output: D