plumbs uncharted depths of stupidity , incoherence and sub-sophomoric sexual banter . 
(ROOT (S (VP (VBZ plumbs) (NP (NP (JJ uncharted) (NNS depths)) (PP (IN of) (NP (NP (NN stupidity)) (, ,) (NP (NN incoherence)) (CC and) (NP (JJ sub-sophomoric) (JJ sexual) (NN banter)))))) (. .)))
(ROOT (S (VP (VBZ ) (NP (NP (JJ ) (NNS )) (PP (IN ) (NP (NP (NN )) (, ) (NP (NN )) (CC ) (NP (JJ ) (JJ ) (NN )))))) (. )))