some of its repartee is still worth hearing . 
(ROOT (S (NP (NP (DT some)) (PP (IN of) (NP (PRP$ its) (NN repartee)))) (VP (VBZ is) (ADVP (RB still)) (ADJP (JJ worth) (S (VP (NN hearing))))) (. .)))
(ROOT (S (NP (NP (DT )) (PP (IN ) (NP (PRP$ ) (NN )))) (VP (VBZ ) (ADVP (RB )) (ADJP (JJ ) (S (VP (NN ))))) (. )))