Review: engrossing and infectiously enthusiastic documentary 
Sentiment: positive

Review: its unadorned view 
Sentiment: negative

Review: this long and relentlessly saccharine film 
Sentiment: negative

Review: , we never really get inside of them . 
Sentiment: negative


Review: you can not guess why the cast and crew did n't sign a pact to burn the negative and the script and pretend the whole thing never existed .