Review: you know it 's going to be a trip 
Sentiment: positive

Review: that you 'll want to crawl up your own *** in embarrassment 
Sentiment: negative

Review: an interesting topic 
Sentiment: positive

Review: proves that director m. night shyamalan can weave an eerie spell and that mel gibson can gasp , shudder and even tremble without losing his machismo . 
Sentiment: positive


Review: the middle and lurches between not-very-funny comedy , unconvincing dramatics and