Review: is a movie filled with unlikable , spiteful idiots 
Sentiment: negative

Review: admirable rigor 
Sentiment: positive

Review: less the sensational true-crime hell-jaunt purists might like and more experimental in its storytelling ( though no less horrifying for it ) . 
Sentiment: positive

Review: have been worth cheering as a breakthrough 
Sentiment: positive


Review: is to sit through about 90 minutes of a so-called ` comedy ' and not laugh once .