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.

Ex 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?

Ex Output:
D


Ex Input:
M: And so tired! I've been up late studying for the math exam for the last 2 nights. ,F: I have, too. But I'm so nervous that I can't fall asleep at night. ,M: Maybe you can drink a glass of milk and take a bath before going to bed.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, it is a best way to relax. (C) F: How about your study report? (D) F: Since we have taken too mu time on Chinese exam, I think we should have a good rest.

Ex Output:
B


Ex Input:
F: It's January and it's been raining the whole month. How long does the rainy season last here? ,M: About 4 months. It begins in early November and lasts until February.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: The rainy season will end in November. (C) F: The dry season will end in February. (D) F: The rainy season will end in February.

Ex Output:

D