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: M: Hi, Mary, you are in Boston, too. I remember you are admitted to Washington University. And are you meeting someone at the airport? ,F: Glad to meet you here, Bob. I am meeting my parents. You are paying a visit to your grandparents?
(A) M: Yes. Have your parents' flight arrived? I can give you a lift later. (B) M: I see that your parents' flight has been delayed, darling. Let's wait. (C) M: Correct. Anyway, it's very surprising to see you at the train station. (D) M: I didn’t hear you. Please could you tell me again?

Output: A


Input: Consider Input: F: Have you completed the arrangements for the trip yet, Brian? ,M: I've made the reservations. But there are still some details to make sure. Your plane leaves at 8:30. So, I'll pick you up at your house at 6. ,F: Six? I'll have to get up in the middle of the night! ,M: I'm sorry, you have to check in by 7:00 and I think there will probably be a long queue. ,F: Oh, very well, what about my meetings? ,M: First, the managing director is coming to the airport to meet you.
(A) F: OK. The Managing Director will meet me. I remember. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: The secretary will meet me? (D) F: The Managing Director will meet me later that day. OK, I know.

Output: A


Input: Consider Input: M: Why are you looking so upset? What's the problem? ,F: I have to write a long article and I just can't come up with any ideas. And I have to hand it in tomorrow. ,M: That shouldn't be too difficult. Remember those pictures you showed me last week? ,F: Sure. I've got them here. ,M: Why don't you write about your impressions of the pyramids in Egypt?
(A) F: You mean I can write about my trip. That is a great idea. (B) F: So I can take a trip now since I have already finished my article. (C) F: I didn’t hear you. Please could you tell me again? (D) F: So I can draw some pictures now since I have already finished my article.


Output: A