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: Is there a city where it's always warm? ,F: Yes, there are many cities where it's almost always warm. San Diego for example. ,M: Are there any other cities where it's always hot? ,F: Yes, there are quite a few. Most of the cities in the southern part of the United States are hot all year.
(A) M: I see. Most cities in the western part of China are always hot. (B) M: I know that cities in the southern part of China is always hot. (C) M: Excuse me, could you repeat the question? (D) M: It seems that most cities in the southern part are hot all year around.

Output: D

Input: Consider Input: F: I know you pay a lot of attention to exercise in your daily life. Could you tell me something about exercise? ,M: OK. I'm just interested in exercise. The importance of exercise is nothing new. Thomas Jefferson once wrote that to be successful and academic studies, a person should give about 2 hours everyday to exercise. ,F: 2 hours every day? I can't do that. ,M: Most experts today do not demand 2 hours of daily exercise. They recommend that people get 60 minutes of moderate to vigorous physical activity most days of the week.
(A) F: Well, I see, jogging for 2 hours everyday is pretty challenging, but I'll have a try. (B) F: Well, I don't think doing exercise for 1.5 hours every Monday is tough. (C) F: Okay, reading for 1 hour everyday is not hard, I think I can do that. (D) F: Excuse me, could you repeat the question?

Output: D

Input: Consider Input: M: Janet, it's Oscar. Did I wake you up? ,F: No, but I'm going to get up then. ,M: Sorry, listen. I'll arrive in Florida on the fifteenth Orlando Airport. Do you want to meet me then? ,F: Sure, welcome to Florida, and how are you going to Disney World? ,M: I will take a taxi at the airport, how about meeting there? ,F: Why don't we meet at the Kennedy Space Center. It's not that far from my company.
(A) M: I'm sorry, I don't understand. Could you say it again? (B) M: When you arrive at the Orland Airport on the 15th, Lucy, I'll pick you up. (C) M: On the 12th, I'll take the airport bus to the Space Center to see you. (D) M: No problem. I'll take a taxi to the Kennedy Space Center to meet you.
Output: D