one of mr. chabrol 's subtlest works , 
(ROOT (NP (NP (CD one)) (PP (IN of) (NP (NP (NNP mr.) (NNP chabrol) (POS 's)) (JJ subtlest) (NNS works))) (, ,)))
(ROOT (NP (NP (CD )) (PP (IN ) (NP (NP (NNP ) (NNP ) (POS )) (JJ ) (NNS ))) (, )))