are pushed to their most virtuous limits , lending the narrative an unusually surreal tone . 
(ROOT (S (VP (VBP are) (VP (VBN pushed) (PP (IN to) (NP (PRP$ their) (ADJP (RBS most) (JJ virtuous)) (NNS limits))) (, ,) (S (VP (VBG lending) (NP (DT the) (NN narrative)) (NP (DT an) (ADJP (RB unusually) (JJ surreal)) (NN tone)))))) (. .)))
(ROOT (S (VP (VBP ) (VP (VBN ) (PP (IN ) (NP (PRP$ ) (ADJP (RBS ) (JJ )) (NNS ))) (, ) (S (VP (VBG ) (NP (DT ) (NN )) (NP (DT ) (ADJP (RB ) (JJ )) (NN )))))) (. )))