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: Hi, Bob, do you know anything about boxing? ,M: Yes, it's a sport that does good to bodybuilding. ,F: Oh, I just think it is about fighting.
(A) M: Excuse me, could you repeat the question? (B) M: Although boxing isn't good for bodybuilding, how could you think it is about fighting? (C) M: Haha, a lot of people think boxing is fighting like you do. (D) M: Yes, as you said, boxing is a skill, but it's not good for bodybuilding at all.

Output: C


Input: Consider Input: M: Did your teacher give a task for Monday? ,F: There is nothing to read in the textbook, but we have to see a movie and write a short report about it.
(A) M: Let's continue talking about the task. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Now that your teacher didn't give you any task for Monday, why should we continue to talk about this task? (D) M: You need to write a long paper about the movie? That's terrible.

Output: A


Input: Consider Input: M: Excuse me, I'm looking for some English textbooks. ,F: They're right over there under the dictionaries on the second shelf from the top. ,M: Do you have any textbooks to help improve students reading skills? ,F: Let's see. These books here focus on grammar and those are mainly for conversation practice. Here you are. This book has short passages for students to read an answer questions about.
(A) M: So, you mean those books are mainly for conversation practice? Oh, that's great. I need some books for reading practice. (B) M: Really? You mean those books are not mainly for conversation practice? But I just need some books for conversation practice. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: You mean this book has long passages to read an answer questions about? Oh, I just need some books for reading practice.


Output: A