by director jon purdy 's sledgehammer sap 
(ROOT (PP (IN by) (NP (NP (NN director) (NNP jon) (NNP purdy) (POS 's)) (NN sledgehammer) (NN sap))))
(ROOT (PP (IN ) (NP (NP (NN ) (NNP ) (NNP ) (POS )) (NN ) (NN ))))