answer: #Person1# asks about yesterday evening. #Person2# watched a volleyball game but missed the first 30 minutes.
documents: #Person1#: Did you go out yesterday evening?
  #Person2#: Yes, we went to the Tianjin sports center to watch a women volleyball game between Tianjin and US. The US team was led by Lang Ping, the former coach of the Chinese national team.
  #Person1#: How was the game?
  #Person2#: It's very exciting, we enjoyed it very much, but we missed the first 30 minutes.
  #Person1#: Why?
  #Person2#: We took a wrong bus, so we were late for the game. We got there at 7:30.
  #Person1#: That's too bad.