show his penchant for wry , contentious configurations 
(ROOT (S (VP (VB show) (NP (NP (PRP$ his) (NN penchant)) (PP (IN for) (NP (JJ wry) (, ,) (JJ contentious) (NNS configurations)))))))
(ROOT (S (VP (VB ) (NP (NP (PRP$ ) (NN )) (PP (IN ) (NP (JJ ) (, ) (JJ ) (NNS )))))))