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: Welcome to our restaurant. What kind of dishes would you like? Here's the menu for specialty. ,M: I like beggars chicken best but I am waiting for another 3 friends now.
(A) F: It's so nice of you to take your parents to dinner. (B) F: OK, I can take your order when your neighbors arrive. (C) F: I'm not surprised that your three other friends are going to the theatre instead of having a meal with you. (D) F: I didn’t hear you. Please could you tell me again?
Example Output: D

Example Input: F: How about going for a bike ride? ,M: Sure. Where? ,F: Let's call Harry. He can tell us the best place to go.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Yes. We should ask Harry if he knows the best place to ride. (C) M: Yes. We should borrow a bike from Harry. (D) M: Yes. We should ask Harry if he knows the best place to hold a party.
Example Output: B

Example Input: F: Reception desk, may I help you? ,M: Yes, this is Smith Brown, from room 1016. The last room on the east side of the hotel. ,F: Yes. Can I do something for you? ,M: You certainly can, I can't get to sleep. The people in the next room, room 1014 are making too much noise. They're probably having a birthday party. All the cheering and laughing are driving me crazy. ,F: I see I'll give them a call. ,M: I wish you would, this has been going on for over 2 hours. ,F: I'm sorry. I'll take care of it right away. ,M: Well, I was really hoping, you could move to a different room. Alright, let me check. Uh, would room 868 be alright? On the eighth floor.
(A) F: What time do we give you a morning call? (B) F: You're making too much noise and the other guests are asking you to change rooms. (C) F: I didn’t hear you. Please could you tell me again? (D) F: Sorry, there is no discount on the price of our hotel.
Example Output:
C