Review: a weary journalist 
Sentiment: negative

Review: canada 
Sentiment: positive

Review: piercing and feisty 
Sentiment: positive

Review: , ryan gosling ( murder by numbers ) delivers a magnetic performance . 
Sentiment: positive


Review: the format gets used best ... to capture the dizzying heights achieved by motocross and bmx riders , whose balletic hotdogging occasionally ends in bone-crushing screwups .