Review: the kind of film that could only be made by african-americans because of its broad racial insensitivity towards african-americans 
Sentiment: negative

Review: is a funny , puzzling movie ambiguous enough to be engaging and oddly moving . 
Sentiment: positive

Review: slickly 
Sentiment: positive

Review: a shrewd and effective film 
Sentiment: positive


Review: feeling guilty for it ... then , miracle of miracles , the movie does a flip-flop .