a journey that is as difficult for the audience to take as it is for the protagonist 
(ROOT (NP (NP (DT a) (NN journey)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (ADJP (ADJP (RB as) (JJ difficult) (SBAR (IN for) (S (NP (DT the) (NN audience)) (VP (TO to) (VP (VB take)))))) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ is) (PP (IN for) (NP (DT the) (NN protagonist))))))))))))
(ROOT (NP (NP (DT ) (NN )) (SBAR (WHNP (WDT )) (S (VP (VBZ ) (ADJP (ADJP (RB ) (JJ ) (SBAR (IN ) (S (NP (DT ) (NN )) (VP (TO ) (VP (VB )))))) (SBAR (IN ) (S (NP (PRP )) (VP (VBZ ) (PP (IN ) (NP (DT ) (NN ))))))))))))