latest effort is not the director at his most sparkling 
(ROOT (S (NP (JJS latest) (NN effort)) (VP (VBZ is) (RB not) (NP (DT the) (NN director)) (PP (IN at) (NP (PRP$ his) (ADJP (RBS most) (VBG sparkling)))))))
(ROOT (S (NP (JJS ) (NN )) (VP (VBZ ) (RB ) (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (ADJP (RBS ) (VBG )))))))