allows the characters to inhabit their world without cleaving to a narrative arc 
(ROOT (VP (VBZ allows) (S (NP (DT the) (NNS characters)) (VP (TO to) (VP (VB inhabit) (NP (PRP$ their) (NN world)) (PP (IN without) (S (VP (VBG cleaving) (PP (IN to) (NP (DT a) (JJ narrative) (NN arc)))))))))))
(ROOT (VP (VBZ ) (S (NP (DT ) (NNS )) (VP (TO ) (VP (VB ) (NP (PRP$ ) (NN )) (PP (IN ) (S (VP (VBG ) (PP (IN ) (NP (DT ) (JJ ) (NN )))))))))))