Review: it 's great cinematic polemic 
Sentiment: positive

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

Review: for all of its insights into the dream world of teen life , and its electronic expression through cyber culture , the film gives no quarter to anyone seeking to pull a cohesive story out of its 2 1/2 - hour running time . 
Sentiment: negative

Review: astounding performance 
Sentiment: positive


Review: ca n't help suspecting that it was improvised on a day-to-day basis during production .