it forces you to watch people doing unpleasant things to each other and themselves , and it maintains a cool distance from its material that is deliberately unsettling . 
(ROOT (S (S (NP (PRP it)) (VP (VBZ forces) (NP (PRP you)) (S (VP (TO to) (VP (VB watch) (S (NP (NNS people)) (VP (VBG doing) (NP (JJ unpleasant) (NNS things)) (PP (IN to) (NP (NP (DT each) (JJ other)) (CC and) (NP (PRP themselves))))))))))) (, ,) (CC and) (S (NP (PRP it)) (VP (VBZ maintains) (NP (NP (NP (DT a) (JJ cool) (NN distance)) (PP (IN from) (NP (PRP$ its) (NN material)))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (RB deliberately) (JJ unsettling)))))))) (. .)))
(ROOT (S (S (NP (PRP )) (VP (VBZ ) (NP (PRP )) (S (VP (TO ) (VP (VB ) (S (NP (NNS )) (VP (VBG ) (NP (JJ ) (NNS )) (PP (IN ) (NP (NP (DT ) (JJ )) (CC ) (NP (PRP ))))))))))) (, ) (CC ) (S (NP (PRP )) (VP (VBZ ) (NP (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (PRP$ ) (NN )))) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (RB ) (JJ )))))))) (. )))