of such tools as nudity , profanity and violence 
(ROOT (PP (IN of) (NP (NP (JJ such) (NNS tools)) (PP (IN as) (NP (NN nudity) (, ,) (NN profanity) (CC and) (NN violence))))))
(ROOT (PP (IN ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (NN ) (, ) (NN ) (CC ) (NN ))))))