Review: every conceivable mistake a director could make in filming opera has been perpetrated here . 
Sentiment: negative

Review: it 's an ambitious film , and 
Sentiment: positive

Review: likely to witness in a movie theater for some time 
Sentiment: positive

Review: interesting cinematic devices ( cool visual backmasking ) , a solid cast , and some wickedly sick and twisted humor 
Sentiment: positive


Review: cliched and contrived that it makes your least favorite james bond movie seem as cleverly plotted as the usual suspects