   neutral   Did you go to Berlin?     neutral   No, We didn't go there. I'd like to go there next time.  
    happiness   I think this summer is a good time to visit Berlin. It's a beautiful place and the people there are very nice.     happiness   That's what I've heard.  
    happiness   I went there last year. If you want, I can give you some information I have about the city.     happiness   
 Good, thanks. You helped me so much! 
 Thanks, but that won ’ t be necessary.    neutral  What would we need to