as quiet , patient and tenacious as mr. lopez himself , who approaches his difficult , endless work with remarkable serenity and discipline . 
(ROOT (FRAG (ADJP (ADJP (IN as) (JJ quiet) (, ,) (JJ patient) (CC and) (JJ tenacious)) (PP (IN as) (NP (NP (NNP mr.) (NNP lopez)) (NP (PRP himself))))) (, ,) (SBAR (WHNP (WP who)) (S (VP (VBZ approaches) (NP (PRP$ his) (JJ difficult) (, ,) (JJ endless) (NN work)) (PP (IN with) (NP (JJ remarkable) (NN serenity) (CC and) (NN discipline)))))) (. .)))
(ROOT (FRAG (ADJP (ADJP (IN ) (JJ ) (, ) (JJ ) (CC ) (JJ )) (PP (IN ) (NP (NP (NNP ) (NNP )) (NP (PRP ))))) (, ) (SBAR (WHNP (WP )) (S (VP (VBZ ) (NP (PRP$ ) (JJ ) (, ) (JJ ) (NN )) (PP (IN ) (NP (JJ ) (NN ) (CC ) (NN )))))) (. )))