of law enforcement , and a visceral , nasty journey 
(ROOT (PP (PP (IN of) (NP (NN law) (NN enforcement))) (, ,) (CC and) (NP (DT a) (JJ visceral) (, ,) (JJ nasty) (NN journey))))
(ROOT (PP (PP (IN ) (NP (NN ) (NN ))) (, ) (CC ) (NP (DT ) (JJ ) (, ) (JJ ) (NN ))))