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: So David, you don't like sports. ,M: Well, I like sports, but I'm just not keen on sports programs. You know, I would usually rather watch a movie or some kind of history program. ,F: Oh, ok, so you're into history? ,M: Oh yes, I like studying the history of the countries that I have visited. It makes it more interesting when I go sightseeing. ,F: Ok, which countries have you visited? ,M: I been over a good bit of Europe. Ah, Mexico, Peru. I spent almost a year in Egypt and I went to Israel, Jordan and now I'm here in Japan. I've been in Japan for a year and a half, and while I have been here, I visited Korea for about a week.
(A) F: Yes, a week or so in Egypt is too short. But it amazes me that you've never been to Europe. (B) F: You mean you stayed in Korea for one year and went to Egypt for one and a half year? Cool. (C) F: So you spend one year in Egypt and another one in Japan? It seems you really like travel. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Output: D


Input: Consider Input: M: What's wrong with you, Lucy? ,F: Our dog Rusty is lost. Someone left the backyard gate open and he got out. My daughter is so upset right now. ,M: Have you called the local dog shelters? ,F: Well, they haven't seen him. They said they would call me if they find our dog, but I don't expect miracles. It's 2 days and... ,M: We can always look for miracles. Does he have any identification on him? ,F: He's wearing his sweater. He's brown with white spots and... Sorry, 'm not thinking straight. You know, he's a big part of our family. We got him when he was a little puppy. I'm just worried he was stolen or is injured somewhere. ,M: I understand. I used to pet dogs, too. Let's walk around the neighborhood. Hey, look! There he is. ,F: Rusty! Come here boy! Oh, Glenn, I can't thank you enough. I owe you a big favor.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: You are welcome. I am so glad that we found Rusty. (C) M: Honey, don't be too worry, the local cat shelter called me ten minute ago. (D) M: Don't worry. One of our classmates runs a pet shop. You can go there and find a new cat if you want.

Output: B


Input: Consider Input: F: Excuse me, Mister Smith. ,M: What's the matter? I don't want to be disturbed while I'm talking to Mister Black. ,F: But you have a meeting scheduled with the engineer. ,M: Call him, please, and put off our meeting.
(A) F: OK. You can continue your talk with Mr. Black. (B) F: OK. You can continue your talk with Mr. Wang. (C) F: OK. You'll go to see an engineer first. (D) F: I didn’t hear you. Please could you tell me again?


Output: A