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: crappy movies 
Sentiment: negative

Review: picture-perfect beach 
Sentiment: positive

Review: give a spark to `` chasing amy '' and `` changing lanes '' falls flat as thinking man cia agent jack ryan in this summer 's new action film , `` the sum of all fears 
Sentiment: negative


Review: terrible .