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: Good morning. ,M: Morning. ,F: Come in. Sit down. Now, you're a new patient, aren't you? ,M: Yes, that's right. ,F: OK. So I better ask you some questions first. Now, have you ever had any serious illnesses or accidents? ,M: A broken leg I got from playing football when I was 17. I was in the school team at that time.
(A) F: I'm sorry that you got a broken leg from playing football. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I'm sorry that you got a broken arm from playing with a wild cat. (D) F: I'm sorry that you got a broken arm from a traffic accident.

Output: A


Input: Consider Input: M: I have read Mark Twain's book, The Adventures of Tom Sawyer. It's quite interesting and adventurous. ,F: But this book I'm reading is kind of boring. It only tells you some facts about Mark Twain. ,M: Oh, tell me something about Mark Twain, please. ,F: Well, when Mark Twain was 4, his family moved to Hannibal, a port town on the Mississippi River that gave him the idea for writing the book, The Adventures of Tom Sawyer. ,M: Oh, really? Anything else? ,F: In eighteen fourty-seven, when Twain was 11 years old, his father died. The next year, he began to learn printing. When he was 18, he worked as a printer in New York City. ,M: What happened next? ,F: Then on a voyage to New Orleans, the steamboat pilot, Horace, inspired Twain to become a pilot. And Mark Twain really received his steamboat pilot license in eighteen fifty-nine, after 2 years of hard work.
(A) M: So, on the voyage to New Orleans, Mark Twain wanted to be a pilot but Hannibal gave Mark Twain the idea to write a book? (B) M: So, New Orleans gave Mark Twain the idea to write a book but when he was 18, he still worked as a printer in London? (C) M: So, as Mark Twain never received his steamboat pilot license, he finally became a writer and Hannibal gave him the idea to write a book? (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: A


Input: Consider Input: F: I had a strange dream last night. I dreamt of my teeth falling out. ,M: Then it means you will have good communications with people. It's a good indication that you allowed something out of your mouth.
(A) F: You are right. I must examine my teeth. (B) F: You are right. I don't need to worry about my dream. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: You mean I should worry about my dream.


Output: B