Review: uncompromising knowledge 
Sentiment: positive

Review: the longest 90 minutes of your movie-going life 
Sentiment: negative

Review: is a vh1 behind the music special that has something a little more special behind it : music that did n't sell many records but helped change a nation 
Sentiment: positive

Review: that tian 's meticulous talent has not withered during his enforced hiatus 
Sentiment: positive


Review: a ray of hope