answer: John thinks Beijing Opera is a special art form and #Person1# is a fan of it.
documents: #Person1#: John, have you ever watched Beijing Opera?
  #Person2#: Yes, I watched once.
  #Person1#: What do you think of it?
  #Person2#: Well, honestly speaking, I went to watch it out of curiosity. I'd say it's really a special art form.
  #Person1#: I couldn't agree more. Actually, I'm a Beijing Opera fan.
  #Person2#: Really? Good for you.