Review: scratch is great fun , full of the kind of energy it 's documenting . 
Sentiment: positive

Review: takes few chances and manages to insult the intelligence of everyone in the audience 
Sentiment: negative

Review: undisputed is nearly incoherent , an excuse to get to the closing bout ... by which time it 's impossible to care who wins . 
Sentiment: negative

Review: he 's done 
Sentiment: negative


Review: makes it possible for the viewer to doze off for a few minutes or make several runs to the concession stand and/or restroom and not feel as if he or she has missed anything