Review: is lacking any real emotional impact 
Sentiment: negative

Review: 's ... worth the extra effort to see an artist , still committed to growth in his ninth decade , change while remaining true to his principles with a film whose very subject is , quite pointedly , about the peril of such efforts 
Sentiment: positive

Review: have to see it 
Sentiment: positive

Review: be sensational 
Sentiment: positive


Review: just is n't very funny .