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: Why aren't you at your dancing class this evening, Mum? ,F: Our teacher can't do the class this week. ,M: Is she ill again? ,F: No, she's fine now. She's flying to Paris tonight, because she's got a meeting there tomorrow.
(A) M: Excuse me, could you repeat the question? (B) M: I've never thought your dance teacher won't come to the class for flying to Paris tomorrow. (C) M: I wonder how urgent the wedding is so that she need to take the flight tonight. (D) M: Your teacher is occupied tonight for a meeting? She's really busy.

Ex Output:
B


Ex Input:
M: Let's start again tomorrow. ,F: But the game was going so well, don't quit now.
(A) M: Shall we watch the TV show later today? (B) M: How about we continue to read this book tomorrow? (C) M: Shall we play this game tomorrow, please? I am really tired now. (D) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:
C


Ex Input:
F: Dad, dad. ,M: Uh, what? ,F: The movie is over. You slept through the best part. ,M: Ah, I must have fallen asleep during the last few minutes. ,F: You did. He were out for so long. You should've brought your pillow and blanket. So what did you think about it? ,M: Well, overall, I'm a little disappointed with the movie. The story was not believable. You have to admit.
(A) F: Just like you said, the plot is realistic, thanks to which you are awake for the whole movie. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: It is good to know that you think the plot is fantastic and you are satisfied with the movie. (D) F: I admit the plot is unbelievable, but I still think it is a good movie and love it very much.

Ex Output:

D