Review: they never succeed in really rattling the viewer 
Sentiment: negative

Review: what does n't this film have that an impressionable kid could n't stand to hear ? 
Sentiment: positive

Review: a nicely understated expression 
Sentiment: positive

Review: is terrific , although the actors must struggle with the fact that they 're playing characters who sometimes feel more like literary conceits than flesh-and-blood humans 
Sentiment: positive


Review: as they used to say in the 1950s sci-fi movies , signs is a tribute to shyamalan 's gifts , which are such that we 'll keep watching the skies for his next project .