Task: Dialogue Generation
Input (English): 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?
Output (English): B