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:
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.

Ex Output:
A

Ex Input:
F: Hello, XYZ Accounting. ,M: Hello, could I speak to Brian Robinson, please? ,F: Mister Robinson is in a meeting right now. Can I put you through to his voicemail? ,M: No thanks, I'll try back later. I just have a couple of quick questions about my tax return.
(A) F: Oh, you are calling only to pay taxes. Maybe I can help you. (B) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) F: So you are calling only to get information from me, right? (D) F: Maybe I can give you the information that you need.

Ex Output:
D

Ex Input:
M: Thanks for agreeing to this interview, Miss Lerner. OK, so I have a few questions. First, when did you know you wanted to write children's books? ,F: Well, I studied creative writing in college, but after I graduated I worked in advertising. It wasn't until I had my own children that I got interested in children's books. ,M: Did you write one for your kids? ,F: Yes, I did. My best friend drew the pictures for me. ,M: And did they like it?
(A) F: Yes, they like it. So my best friends drew pictures for me. (B) F: Yes, they like it. My best friends help me write children's books. (C) F: Yes. And my husband drew the pictures for me. (D) F: I'm sorry, I didn't understand. Could you repeat a little louder, please?

Ex Output:
A