the biggest is that secret ballot is a comedy , both gentle and biting . 
(ROOT (S (NP (DT the) (JJS biggest)) (VP (VBZ is) (SBAR (DT that) (S (NP (JJ secret) (NN ballot)) (VP (VBZ is) (NP (NP (DT a) (NN comedy)) (, ,) (ADJP (CC both) (JJ gentle) (CC and) (VBG biting))))))) (. .)))
(ROOT (S (NP (DT ) (JJS )) (VP (VBZ ) (SBAR (DT ) (S (NP (JJ ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (, ) (ADJP (CC ) (JJ ) (CC ) (VBG ))))))) (. )))