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:
M: Mary, I heard that Sam is forming his own band. What's the name of the band? ,F: Stay Away from the World. It will be a great success. Sam is very good at playing the guitar.
(A) M: Really? You mean Sam is not very good at playing the guitar and the name of Sam's band is Keep Away From The World. (B) M: You mean Sam is very good at playing the piano, and the name of Sam's band is Stay Away From The World? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, it will not be a great success and the name of Sam's band is Stay Away From The Words.

Ex Output:
C

Ex Input:
F: All the time I was at school, I wanted to be a nurse. But my mother worked in a shop and said it wasn't good to be on your feet all day. ,M: Then what's your job now? ,F: I'm doing what I always wanted to do.
(A) M: I see, you are a teacher now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I see, you are a nurse now, and it's surprised me that you just wanted to be a nurse recently. (D) M: I see, you are a nurse now.

Ex Output:
D

Ex Input:
M: Do you know Sally's new address? She's got some mail here, and I'd like to send it to her. ,F: Well, we have not been in touch for quite a while. Let's see. Mary should know.
(A) M: I know her new address. Let me get in touch with Mary directly. (B) M: I'm sorry, I don't understand. Could you say it again? (C) M: Please tell me her new address because I have to send some mails to her. You must know it. (D) M: Maybe I should get Mary's new address.

Ex Output:
B