forces you to watch people doing unpleasant things to each other and themselves 
(ROOT (S (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))))))))))))
(ROOT (S (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 ))))))))))))