typical late-twenty-somethings natter on about nothing 
(ROOT (S (NP (JJ typical) (NML (JJ late) (HYPH -) (CD twenty)) (HYPH -) (NNS somethings)) (VP (NN natter) (PRT (IN on)) (PP (IN about) (NP (NN nothing))))))
(ROOT (S (NP (JJ ) (NML (JJ ) (HYPH ) (CD )) (HYPH ) (NNS )) (VP (NN ) (PRT (IN )) (PP (IN ) (NP (NN ))))))