that old adage about women being unknowable 
(ROOT (NP (NP (DT that) (JJ old) (NN adage)) (PP (IN about) (S (NP (NNS women)) (VP (VBG being) (ADJP (JJ unknowable)))))))
(ROOT (NP (NP (DT ) (JJ ) (NN )) (PP (IN ) (S (NP (NNS )) (VP (VBG ) (ADJP (JJ )))))))