Review: a detailed historical document , but an engaging and moving portrait of a subculture 
Sentiment: positive

Review: contrived , 
Sentiment: negative

Review: releasing a film with the word ` dog ' in its title in january lends itself to easy jokes and insults , and snow dogs deserves every single one of them . 
Sentiment: negative

Review: find an escape clause and avoid seeing this trite , predictable rehash . 
Sentiment: negative


Review: this is the kind of movie that deserves a chance to shine .