Review: weighs no more than a glass of flat champagne 
Sentiment: negative

Review: sandra bullock , despite downplaying her good looks , carries a little too much ai n't - she-cute baggage into her lead role as a troubled and determined homicide cop to quite pull off the heavy stuff . 
Sentiment: negative

Review: to death 
Sentiment: negative

Review: ( frames ) profound ethical and philosophical questions in the form of dazzling pop entertainment 
Sentiment: positive


Review: inane and unimaginative