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.

Example 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?
Example Output: A

Example Input: F: Well, I'm afraid my cooking isn't to your taste. ,M: Actually, I like it very much. ,F: I'm glad you enjoy it. Let me serve you some more fish. ,M: No, thank you. I've had enough fish, but I'd like some soup. ,F: Here it is. Help yourself. ,M: Thanks. I didn't know you were so good at cooking. If only my wife could learn to cook from you. ,F: Why not bring your wife next time? I haven't seen her for quite a while. ,M: OK, I will. She will be very glad to see you too. Thank you for the wonderful meal.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Sorry that I didn't prepare meals today.Bring your wife here next time. I'll cook for you. (C) F: You're welcome. I can't wait to see your family next time. Remember to bring your wife. (D) F: I only cook soup today, so you should at least finish this bowl of soup, my sweetie.
Example Output: C

Example 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 6:00. ,F: 6:00? 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. ,F: Good. We'll be able to talk on the way to the factory. ,M: The conference does not open until noon. I'll make sure you have a program before work. ,F: Thank you. I'll read it on the plane,I expect. Now let's get on with some of today's work.
(A) M: You're welcome, my friend. And the conference will open in the morning. (B) M: You're welcome, honey. And the conference will open in the morning. (C) M: Excuse me, could you repeat the question? (D) M: You're welcome, boss.
Example Output:
D