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: M: Do you know Mister Green works in a hospital? ,F: Yes, I heard that the hospital is near the railway station.
(A) M: But I'm so surprised to hear that he works in the railway station. (B) M: But I'm so surprised to hear that he works in a hospital, and it's so inconvenient that the hospital is far away from the railway station. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: But I'm so surprised to hear that he works in your company.

Output: C


Input: Consider Input: M: School is finally out. Do you have any plans this summer, Kate? ,F: Yes. In August, I'm going on a two week vacation to the Bahamas. ,M: Awesome! How much is that going to cost you? ,F: Don't ask. I have to work every single day this month, just to be able to pay for the vacation. ,M: I know what you mean. I've been saving up to buy a truck. I want to have one for the start of my last year of college. ,F: That would be nice. ,M: Well, it's too bad you won't be around in August. There's a famous English soccer team coming to town. ,F: I heard. At least I'll be able to see the Backstreet Boys in July. It's my favorite band. They're playing at the Victoria Theater.
(A) M: Cool! The Backstreet Boys is a very famous comedy show. (B) M: Cool! The Backstreet Boys is a very famous sports match. I've watched it before. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: Great! Hope you can enjoy the concert.

Output: D


Input: Consider Input: M: How is your study getting on? ,F: Quite well. But the time is limited now, because my school life is almost over.
(A) M: OK, I see. You mean your school life will end soon. (B) M: Really? Your study is quite bad and your school life has ended? (C) M: OK, I see. You mean the time is not limited now and your school life will end soon. (D) M: I am really sorry, I did not catch that. Would you slow down, please?


Output: A