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: M: Lisa, why do you keep a night light on in your room? ,F: I thought you knew that I'm scared of the dark.
(A) M: If you're not afraid of the dark, why keep all the lights on at night? (B) M: I didn't hear you. Please could you tell me again? (C) M: Why keep a night light in your room at night when you are not afraid of the dark? (D) M: Now I know why you turn on a night light in your room at night.
Example Output: D

Example Input: F: Where are you going for your birthday tomorrow? ,M: I have booked a room in the Blue Bay Restaurant. ,F: You mean the Blue Sky Restaurant? ,M: No, that's the Blue Bay, just across from the Blue Ocean Restaurant.
(A) F: The Blue Ocean Restaurant is opposite the Blue Bay Restaurant, right? (B) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (C) F: You have booked a room in the Blue Ocean Restaurant? It is the one which is beside the Blue Sky Restaurant, right? (D) F: You have booked a room in the Blue Ocean Restaurant? It is the one which is opposite the Blue Bay Restaurant, right?
Example Output: A

Example Input: M: How have you been enjoying your trip in this city so far? ,F: It's been great, you know. I have never seen better cinemas in parks before.
(A) M: You may have a bad memory. There are no movies in the park. (B) M: I am so happy you can enjoy your trip. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: I like the decoration of this cinema.
Example Output:
B