Definition: 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: F: It's a terrible day, isn't it? ,M: Yes, it is. This is why our flight was delayed for 2 hours. My parents should be worried about me. They are waiting for me at London airport. ,F: Where did you come from? ,M: Beijing. I was there for a 2 weeks' conference on space technology. ,F: How interesting! I was there for tour. You see, I usually have a tour twice or 3 times a year. ,M: Really? Which places did you visit in China? ,F: Apart from Beijing, we went to Nanjing, Shanghai, Xi'an, Hangzhou, and Guangzhou.
(A) M: So, you visited six cities in China? You went to Beijing, Nanjing, Shanghai, Xi'an, Hangzhou, and Guangzhou? (B) M: Really? You visited five cities in China but you didn't go to Nanjing, Shanghai, Xi'an, or Hangzhou? (C) M: So, you mean you usually have a tour twice or 3 times a month and you visited four cities in China? (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

A