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: Hi jack, what did you think of the lecture you attended last night? ,M: Well, I should have stayed at home. And half of people had left before it was finished.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Yes, it is so moving! (C) F: Yes, the concert yesterday was really boring. (D) F: Why do you think it was boring?

Output: D


Input: Consider Input: F: Michael, what time is it? We are going to be late for the party. ,M: It's a quarter past six. Don't worry, Rebecca. We will be fine. ,F: But we have to be at Sarah's house by 6:30 for her surprise birthday party. The traffic is getting heavier.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: We have to be at Sarah's house by 6:00 for her baby' s birthday party. (C) M: Oh my god. You' re right! Let' s go to celebrate Sarah's birthday! (D) M: The traffic is getting lighter, we will not be late for Rebecca' s party.

Output: C


Input: Consider Input: F: Do you know any good hotels? ,M: My guidebook says there are lots, but I can't find any one of them.
(A) F: Look, there seems to be a nice hotel around the corner. (B) F: If the guidebook says there is no hotel nearby, I don't know what to do. (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: If you can't find your friend, you can call her.


Output: A