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: Sunshine Hotel. Good morning, Barbara speaking. ,M: Hello. I'd like to make a booking please. I'm on a business trip, so I need a single room. ,F: OK, your name please. ,M: John Griffin. That's JOHNGRIFFIN. ,F: OK, I've got that down. Wait a minute. We already have your name. You've been here before, haven't you? Or it must be someone with the same name. ,M: I've stayed with you twice before.
(A) F: No wonder we have your name. Thanks for choosing our hotel again. (B) F: Oh, you used to work at this hotel? Glad to serve you this time. (C) F: Your boss has booked a room for you, Sam, so we have your name. (D) F: I didn't hear you. Please could you tell me again?

Ex Output:
A

Ex Input:
M: Do you think people's moods are affected by the climate they live in? ,F: Well, I think there's certainly something in it. Because when the weather is hot, I easily lose my temper, but when it's cooler I feel much calmer. And if it's raining, I always feel sad.
(A) M: Why do you feel angry when it's hot? (B) M: Excuse me, could you repeat the question? (C) M: Why do you feel sad when it's hot? (D) M: Why don't you feel angry but sad when it's hot?

Ex Output:
A

Ex Input:
M: Your admission card please. ,F: Here you are. ,M: Sorry. Newspapers can't be taken away. ,F: OK. If I want to read them, what should I do? ,M: You can read them only in one of our reading rooms. ,F: Alright. ,M: Are those books yours? ,F: Yes, these are for my father.
(A) M: Well, we don't have newspapers at school library. Read those in the classroom. (B) M: OK. Now you can either read the newspapers in a reading room, or put them back. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: You can't borrow newspapers nor books, but you can read them in the reading rooms.

Ex Output:
B