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.

Example Input: F: Excuse me, Mr. Smith. I was wondering if you could do something about my neighbor's dog. It's been barking and keeping me up all night. ,M: OK. I'll call your neighbor on the phone.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Thank you! I hope I can sleep well tonight. (C) F: Thank you! My dog didn't feel well and barked all night! (D) F: Thank you for calling him. I guess I should make a apologize to my neighbor.
Example Output: B

Example Input: M: We can go to see the movie, saving the planet at the rock. What time does it start? ,F: 8:00 o'clock. ,M: So we can be back about 10:30, right? ,F: No, it doesn't end until 11. ,M: I can't sit in the cinema so long.
(A) F: Really? You can sit in the cinema so long? Oh, the film Saving the Planet last just lasts two hours. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Really? You can't sit in the cinema so long? Oh, the film Saving the Planet last just lasts three hours. (D) F: Well, actually we can be back about 10:30 and the film Saving the Planet last just lasts three hours.
Example Output: C

Example 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?
Example Output:
A