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: So, what did you end up doing this weekend? ,M: I went to see a Lady Gaga Concert. She was amazing. ,F: Wow. Those tickets were super expensive, right? ,M: Nope, the show didn't sell out, so they sold tickets at the door for half price just before the concert began. Sometimes, it's good to wait.
(A) F: Why did you buy the ticket which is so expensive? (B) F: So you bought the ticket at the last minute, right? (C) F: So you bought the ticket a week ago from the website, right? (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

B