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.

Input: Consider 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.

Output: D


Input: Consider Input: M: Hi, you're new here, aren't you? What's your name? ,F: Stella. ,M: Want to come and play? ,F: I'd like to, but I can't. My mom says I've got to stay and help her. It's my brother's birthday and we're having a party. ,M: Oh, you've got a brother, have you? ,F: I've got two brothers. Kit, the one with the birthday. He's only little. He's four. I've got a big brother who's married. His name is Don. ,M: Does your brother Don live near here? ,F: Yes, not very far away. Cathe, his wife, works in the shop over there. They've got a new baby called Liz. I mean Elizabeth really, but we call her Liz. ,M: Is that your mom over there calling you? ,F: No, that's my aunt May, my mother's sister. I'd better go. Bye. ,M: Bye.
(A) F: Uncle, don't you want to join Bob' s birthday party? (B) F: My best brother Don, happy birthday to you! (C) F: Good to see you my neighbor! Would you like to join the party? (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Output: C


Input: Consider Input: M: How many stops until north station? ,F: You're on the wrong train. You need to get off at the next station and change to the green line. This is the red line.
(A) M: So there are only 4 stops to north station? That's close. (B) M: OK, so I need to change to the green line, right? The subway confused me. (C) M: I didn’t hear you. Please could you tell me again? (D) M: OK, I will get off the subway in two stations.


Output: B