Review: as an intellectual exercise -- an unpleasant debate that 's been given the drive of a narrative and that 's been acted out -- 
Sentiment: negative

Review: a terrific screenplay 
Sentiment: positive

Review: a terrible movie , just a stultifyingly obvious one -- an unrewarding collar for a murder mystery 
Sentiment: negative

Review: can only be described as sci-fi generic . 
Sentiment: negative


Review: courageous molly craig