   neutral   John, have you ever watched Beijing Opera?     neutral   Yes, I watched once.  
    neutral   What do you think of it?     neutral   Well, honestly speaking, I went to watch it out of curiosity. I'd say it's really a special art form.  
    happiness   I couldn't agree more. Actually, I'm a Beijing Opera fan.     surprise   
 Oh! How can such a thing be? 
 Wow. That sounds crazy for someone from the West, doesn ’ t 16 