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: Where did you get this calendar, Ricky? It covers your whole desk. ,M: I ordered it online. I'm sure if you ask Mr. Dennison in the finance department, he'll order one for you, too.
(A) F: What size skirt do you want, miss? (B) F: I went through the formalities this morning and we are no longer colleagues. Good luck. (C) F: I didn't hear you. Please could you tell me again? (D) F: Oh, thank you for telling me that. I'll call him right now.

Ex Output:
D

Ex Input:
M: Do you know where the juices? ,F: It's in the fridge between the milk and the beer. ,M: Thanks, I found it.
(A) F: This is the milk for you. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: The juice is on the table between the milk and the beer. (D) F: Why do you like beer so much?

Ex Output:
B

Ex Input:
F: Peter, do you live in the red house at the end of the road? ,M: Yes, I live in that house with my parents and my sister. And we also have a dog. ,F: Do you take your dog for a walk everyday?
(A) M: Yes. Four of us in my family always go for a walk together. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: Yes.There are 4 people in my family, and we don't have any pet. (D) M: Yes. Five of us in my family always go for a walk together.

Ex Output:
A