elements of romance , tragedy and even silent-movie comedy 
(ROOT (NP (NP (NNS elements)) (PP (IN of) (NP (NP (NN romance)) (, ,) (NP (NN tragedy)) (CC and) (NP (RB even) (NML (JJ silent) (HYPH -) (NN movie)) (NN comedy))))))
(ROOT (NP (NP (NNS )) (PP (IN ) (NP (NP (NN )) (, ) (NP (NN )) (CC ) (NP (RB ) (NML (JJ ) (HYPH ) (NN )) (NN ))))))