that secret ballot is a comedy , both gentle and biting 
(ROOT (S (NP (DT that) (JJ secret) (NN ballot)) (VP (VBZ is) (NP (NP (DT a) (NN comedy)) (, ,) (ADJP (CC both) (JJ gentle) (CC and) (JJ biting))))))
(ROOT (S (NP (DT ) (JJ ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (, ) (ADJP (CC ) (JJ ) (CC ) (JJ ))))))