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 )))))