Review: a charming but slight comedy . 
Sentiment: positive

Review: director chris columbus takes a hat-in-hand approach to rowling that stifles creativity and allows the film to drag on for nearly three hours . 
Sentiment: negative

Review: and paper-thin supporting characters 
Sentiment: negative

Review: throwing out so many red herrings , so many false scares , 
Sentiment: negative


Review: succeeds due to its rapid-fire delivery and enough inspired levity that it ca n't be dismissed as mindless .