   neutral   Oh, do you like Chinese?     neutral   Yeah, I'm eager to learn Chinese, but it is too difficult for me.  
    neutral   I want to study German. Can we exchange lessons?     happiness   Very Good. I'd like to do that.  
    neutral   When will we begin?     neutral   
 Why don't we make a date now? 
 Well, how about the next Friday evening?    surprise  Wow! It seems a