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: Hello Jane, Jack asked me to have a talk with you. He is really sorry about that. ,F: I don't want to talk to him. ,M: Would you let me explain that to you, please? ,F: I'm not interested. He promised to meet me at the restaurant but he didn't show up. I don't want to see him again.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Don't be so nervous. Tom will show up on time. (C) M: Oh, you are so happy that he met you at the restaurant. (D) M: It's useless to be so angry. He is not sorry at all.

Ex Output:
A


Ex Input:
M: Lucy, I'm terribly sorry to hear your mother was seriously ill. ,F: Don't worry so much, grampa. She is much better now.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: Is she still terribly ill? Sad for her. (C) M: After my operation, your mother is better now. Don't worry. (D) M: Good to hear that your mother has turned much better.

Ex Output:
D


Ex Input:
F: Well, I see you've got your books, George. But are you reading? Looks like you're just coloring. ,M: I'm marking the important parts of the book. The colors are for different things. ,F: Like what? ,M: Main ideas are yellow. Important details to remember are pink and the light green is for difficult ideas. ,F: This seems like a lot of activities. Aren't you wasting your time? ,M: I don't think so, mom. I'll read it all tonight. I'll listen to it tomorrow. And then when it's time to study, I will already know most of the information. ,F: In my day, we just read the book and tried to remember the information. ,M: The teacher told us the importance of active reading. And it's the best way to learn at whatever speed you choose.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: I see. You mean active reading shows students what they already know and it is useful for slow students. (C) F: I see. You mean active reading is a good learning method for both slow and fast students. (D) F: I see. You mean active reading is a good learning method for both slow students but not fast students.

Ex Output:

C