Review: by top-billed star bruce willis 
Sentiment: positive

Review: not much else 
Sentiment: negative

Review: 's there to scare while we delight in the images 
Sentiment: positive

Review: changing lanes is an anomaly for a hollywood movie ; it 's a well-written and occasionally challenging social drama that actually has something interesting to say 
Sentiment: positive


Review: there are some fairly unsettling scenes , but