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: Mom? ,F: What are you doing here down at the beach? I thought you said you were going to buy some things for school? ,M: Uh, I did buy some things. ,F: Well, what did you buy? What do you have in your backpack? ,M: Let's see, I have 3 notebooks, 5 pencils, 2 erasers and...
(A) F: Why did you buy 2 notebooks and 5 pencils? (B) F: Why did you buy 3 notebooks ? (C) F: Why did you buy 3 notebooks and 5 pencils? (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Output: B


Input: Consider Input: F: Is this Mister Brown's office? ,M: Yes, but he's gone out. Did you tell him beforehand about your coming? ,F: Yes, I found him yesterday and he told me to come here at 9:00 today, it's almost the time now. How soon will he be back? ,M: Well, maybe before 10:30. In fact, I'm waiting to see him too. When I arrived at about 8:00, only his secretary was here. She's gone to the copy shop to have a form copied.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: What? You mean you saw his secretary went out to apply to study abroad at about 9:00? (C) F: I wonder why she went out to copy at 9:00. Don't they have a copying machine in their office? (D) F: But why did she have to go out to contact Mr. Brown? He is in his office for the whole morning.

Output: A


Input: Consider Input: F: Excuse me. You are Mr. Green from Manchester, aren't you? ,M: Yes, I'm glad you recognized me. ,F: A man with white hair and a beard, isn't that how you describe yourself in the telex? So it's easy to spot you in any crowd. Let me introduce myself. I am Tan Ling, source manager of Yellow River Import and Export Corporation. How do you do? ,M: How do you do? ,F: Well, Mr. Green, do you have any unaccompanied luggage? ,M: No. I always travel with this bag or with small suitcase only. ,F: Let's go then. This way to the front door. Let me carry your bag. ,M: No, I wouldn't dream of letting a lady carry things for me. Surely I'm not so old as that yet. ,F: Of course not. You look young and energetic in spite of your white hair, Mr. Green. ,M: Thank you. I'm glad to hear that. ,F: The car is waiting outside to take us to the hotel. I reserved a suite for you at the Phoenix, one of the biggest in Dublin. ,M: Do you mean one of the largest suite or one of the biggest hotel? ,F: Actually, both the hotel and the suite are rather big. But the biggest ones aren't always the best ones.
(A) M: The hotel is big enough but the suite is not. But I believe I will still enjoy my trip in New York. (B) M: Thanks for the big suite and the big hotel. It must cost a great amount of money in New York. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: Thanks a lot. The suite is big enough for me, as well as the hotel. You are so considerate.


Output: D