Review: because the film deliberately lacks irony , it has a genuine dramatic impact ; it plays like a powerful 1957 drama we 've somehow never seen before . 
Sentiment: positive

Review: of oral storytelling frozen onto film 
Sentiment: positive

Review: convey a tiny sense of hope 
Sentiment: positive

Review: is not show-stoppingly hilarious , but scathingly witty 
Sentiment: positive


Review: steers clear of the sensational and offers instead an unflinching and objective look at a decidedly perverse pathology .