Review: an unholy mess , driven by the pathetic idea that if you shoot something on crummy-looking videotape , it must be labeled ` hip ' , ` innovative ' and ` realistic ' . 
Sentiment: negative

Review: the asylum material is gripping , as are the scenes of jia with his family . 
Sentiment: positive

Review: wholly unnecessary pre-credit sequence 
Sentiment: negative

Review: two hours feel like four 
Sentiment: negative


Review: a preposterous , prurient whodunit