of hard-bitten , cynical journalists 
(ROOT (PP (IN of) (NP (ADJP (RB hard) (HYPH -) (VBN bitten)) (, ,) (JJ cynical) (NNS journalists))))
(ROOT (PP (IN ) (NP (ADJP (RB ) (HYPH ) (VBN )) (, ) (JJ ) (NNS ))))