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: F: Hello, this is the International Student Office. This is Leah. How may I help you? ,M: This is Nathaniel Brown, from English Department. I'd like to speak to Miss Collins about my accommodation situation. ,F: Well, I'm sorry. She is out for lunch at the moment. Can I take a message?
(A) M: No thank you. I will wait for her to finish the meeting. (B) M: Sure. I want to have a talk with her about my accommodation situation. (C) M: Sure. I want to have a talk with her about my department. (D) M: Excuse me, could you repeat the question?
Example Output: B

Example Input: M: Do you like to go to the zoo on Sunday? ,F: Yes, I like to go to the zoo. But not on Sundays, because it's always so crowded. How about going on a Friday or Saturday?
(A) M: So you don't like going to the zoo on Sundays, do you? (B) M: So you don't like to go to the zoo on Fridays because it's crowded, right? (C) M: So you don't like going to the zoo on Sundays and Saturdays, do you? (D) M: I didn’t hear you. Please could you tell me again?
Example Output: A

Example Input: M: Can you believe the school year is almost here? ,F: I know. Every time I walk by our new school, I get a little anxious. ,M: Why? Everything is going to be so much better. ,F: Really? I heard it is a lot of extra work. ,M: Relax. We'll get used to it. Apparently, there was a huge computer room we can study in. Also they have just finished building a new running track and put in artificial grass. ,F: Cool. We'll have lots of fun on the playground. ,M: You think that's cool? There are 2 gyms and a indoor swimming pool. Anyway, we have to choose 2 arts courses this year. Any thoughts? ,F: At first I thought about dance and music, but I changed my mind. I think I'm going to try acting instead. And since I'm joining the school newspaper, I'll take something related to that.
(A) M: Yes, the acting class suits you very well. (B) M: You always like to choose the dancing lesson. (C) M: Why do you choose a painting course? (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?
Example Output:
A