a prolonged extrusion of psychopathic pulp 
(ROOT (NP (NP (DT a) (JJ prolonged) (NN extrusion)) (PP (IN of) (NP (JJ psychopathic) (NN pulp)))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (NP (JJ ) (NN )))))