proves once again that a man in drag is not in and of himself funny . 
(ROOT (S (VP (VBZ proves) (ADVP (RB once) (RB again)) (SBAR (IN that) (S (NP (NP (DT a) (NN man)) (PP (IN in) (NP (NN drag)))) (VP (VBZ is) (RB not) (PP (IN in) (CC and) (PP (IN of) (NP (PRP himself)))) (ADJP (JJ funny)))))) (. .)))
(ROOT (S (VP (VBZ ) (ADVP (RB ) (RB )) (SBAR (IN ) (S (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (VP (VBZ ) (RB ) (PP (IN ) (CC ) (PP (IN ) (NP (PRP )))) (ADJP (JJ )))))) (. )))