are repeatedly undercut by the brutality of the jokes , most at women 's expense 
(ROOT (VP (VBP are) (ADVP (RB repeatedly)) (VP (VBN undercut) (PP (IN by) (NP (NP (DT the) (NN brutality)) (PP (IN of) (NP (DT the) (NNS jokes))))) (, ,) (PP (NP (JJS most)) (IN at) (NP (NP (NNS women) (POS 's)) (NN expense))))))
(ROOT (VP (VBP ) (ADVP (RB )) (VP (VBN ) (PP (IN ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (DT ) (NNS ))))) (, ) (PP (NP (JJS )) (IN ) (NP (NP (NNS ) (POS )) (NN ))))))