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:
M: Sophie, did you see that quiz show last night, the one presented by Frank Jones? ,F: No, was it any good? ,M: It was great. Frank Jones always makes me laugh. I've been watching it for the past couple of weeks. ,F: Do you think so? I don't understand why so many people think he's funny. ,M: Well, you're the fifth or sixth person I've told to see it. Some of my friends thought it was going to be too serious, so they didn't bother watching it.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: It's your first time watching Frank's show? He's funny, just like you are. (C) F: Oh, my friend. I can see that you are such a fan of Frank Jones' quiz show. (D) F: Dear, Frank is so funny! I'm happy that we are both fans of his quiz show.

Ex Output:
C


Ex Input:
F: How soon will Nancy come back?
(A) M: Well, I see Amy just once every two months. (B) M: Thanks for your concern. She will come back in a month. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: You are right! Amy will go the university in a month.

Ex Output:
B


Ex Input:
F: Thank you for calling target.com. My name is Angela, and I'd be happy to assist you today. What is the name on the account? ,M: Mark Sanchez. ,F: Thank you, Mr Sanchez. What's your email address? ,M: It's mark889@gmail.com. ,F: Thank you, how may I help you today? ,M: I ordered some gifts from your website last week, but they haven't arrived yet. They were supposed to be here 2 days ago.
(A) F: The gifts I ordered from your website last month should have arrived seven days ago! (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: They' re supposed to arrive here two days ago. Why haven't they arrived yet? Tell me why? (D) F: I' m calling to find out why the book I ordered ten days ago hasn't been delivered yet?

Ex Output:

C