Review: stomach-knotting suspense 
Sentiment: positive

Review: engrossing portrait 
Sentiment: positive

Review: is a dim-witted pairing of teen-speak and animal gibberish . 
Sentiment: negative

Review: a journey that is as difficult for the audience to take as it is for the protagonist -- yet it 's potentially just as rewarding 
Sentiment: positive


Review: , the film retains ambiguities that make it well worth watching .