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: How do you learn that? Is that something that your mother would teach you? ,F: There is some classes for both flower arrangement and tea ceremony. So you need to go to a school, yes, and learn from your teacher.
(A) M: Your school life would be boring because school does not offer any art courses. (B) M: It's no wonder you don't know any kinds of art, because there is no art courses in school. (C) M: Excuse me, could you repeat the question? (D) M: Great! I also wanna go to school to learn some kinds of art.
Example Output: D

Example Input: F: Now, please tell me something about yourself. ,M: My name is Henry Smith. I left school for months ago. I got A's in nearly every subject. ,F: Then why didn't you go to college? ,M: I wanted to. But I couldn't afford the costs. My father lost his job half a year ago. My mother makes too little money. My younger brother and sister are still studying in high school. I must work to help support my family.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: So there are 4 people in your family, right? (C) F: So there are 5 people in your family, and your brother and sister are still in middle school, right? (D) F: Wow, you have 6 people in your family.
Example Output: A

Example Input: M: Do you like this house? ,F: Yes, it's beautiful. ,M: It's perfect for us and the kids. ,F: 3 bedrooms, 3 bathrooms and a big backyard. ,M: And we can afford it! ,F: So are we going to buy it? ,M: I'm afraid not. ,F: It's too far from your job, isn't it? ,M: Yes, I can't spend 4 hours on the road every day. ,F: By the time you get home you'll be too tired to even eat. ,M: I won't be able to play with the kids! ,F: No. We have to find someplace closer to your job.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: It takes the children four hours to go to school from this house so I think we need to discuss with them whether to buy it or not. (C) M: This house is too far away from our children's school. We need to choose another house. (D) M: OK, I will continue to search the Internet tomorrow to see if I can find a more suitable house.
Example Output:
D