examine , the interior lives of the characters in his film , much less 
(ROOT (S (S (VP (VB examine))) (, ,) (NP (NP (DT the) (NN interior) (NNS lives)) (PP (IN of) (NP (NP (DT the) (NNS characters)) (PP (IN in) (NP (PRP$ his) (NN film)))))) (, ,) (ADJP (RB much) (RBR less))))
(ROOT (S (S (VP (VB ))) (, ) (NP (NP (DT ) (NN ) (NNS )) (PP (IN ) (NP (NP (DT ) (NNS )) (PP (IN ) (NP (PRP$ ) (NN )))))) (, ) (ADJP (RB ) (RBR ))))