   happiness   This city is really comfortable to live in.     happiness   It sure is.  
    happiness   No other city can match it. It's heaven.     neutral   Well, if you live in other cities as long as enough, you will love them just as much.  
    neutral   Maybe.     neutral   
 I think there are many things that a person should try at least once, so he knows whether they
 I think that Shanghai has lots of places for fun.    happiness  Yeah! And