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: Sarah I've heard that you want to move into a home stay family. Is it true? ,F: Yes, I've been staying with my aunt and now my cousin is arriving from Singapore and my aunt needs to serve a room for him.
(A) M: You are so considerate. I hope you enjoy staying in a homestay family. (B) M: You are so kind to serve a room for your aunt. She doesn't need to move into a homestay family. (C) M: I'm so glad that you don't need to move into a homestay family. Hope you enjoy your life with your cousin. (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Output: A


Input: Consider Input: F: What about taking a tour around Cambridge today? ,M: I did that with a friend yesterday. ,F: But didn't you say you would go to the London Eye yesterday? ,M: My friend had already been there, so I changed my plan. Today I want to see some modern art work. ,F: If so, you can go to Tate Modern. It's a museum with a collection of international artwork from the nineteen hundreds. ,M: Do many people visit it? ,F: Yes, it's very popular. But don't worry, it's usually not crowded on weekdays. If you go tomorrow though, there're maybe a lot of people.
(A) M: You are right. I should go there today on Monday, although there might be crowded. (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: I will go there tomorrow on Friday. (D) M: I should go there today on Saturday to avoid the crowd.

Output: B


Input: Consider Input: F: How long have you been living in this city, Jack? ,M: Let me see. I came to this city when I was 23 years old. So 5 years now. ,F: Do you like living in the big city? ,M: Not so much. Air pollution has become such a big problem here now. ,F: So do you want to move to the countryside? ,M: No. Life there is really slow and boring, and here in the city we can get fresh vegetables and even some rare kinds of fruit. How I wish the air in the city could be fresher. Perhaps, it could be if there were fewer cars. ,F: I don't think it's that easy to solve the pollution problem. ,M: So, how long have you been living here? ,F: I moved here from the countryside only 2 years ago. ,M: But I'm already tired of the life here? ,F: Do you want to move back to the countryside? ,M: No. As you said, life in the countryside can be boring. ,F: So will you keep living here? ,M: No. I'm considering moving to a smaller city. You know, a city with fresher air and better traffic.
(A) F: Yeah. The life in the city is tiresome. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: Yeah. The life in the a smaller city is tiresome. (D) F: Yeah. I agree with you. The life in the city is satisfying.


Output: A