Review: cheap manipulation or corny conventions 
Sentiment: negative

Review: emerge dazed , confused as to whether you 've seen pornography or documentary . 
Sentiment: negative

Review: to one anecdote for comparison : the cartoon in japan that gave people seizures 
Sentiment: negative

Review: inoffensive 
Sentiment: negative


Review: you do n't need to be a hip-hop fan to appreciate scratch , and that 's the mark of a documentary that works