in a movie full of surprises , the biggest is that secret ballot is a comedy , both gentle and biting . 
(ROOT (S (PP (IN in) (NP (NP (DT a) (NN movie)) (ADJP (JJ full) (PP (IN of) (NP (NNS surprises)))))) (, ,) (NP (DT the) (JJS biggest)) (VP (VBZ is) (SBAR (S (NP (DT that) (JJ secret) (NN ballot)) (VP (VBZ is) (NP (NP (DT a) (NN comedy)) (, ,) (ADJP (CC both) (JJ gentle) (CC and) (VBG biting))))))) (. .)))
(ROOT (S (PP (IN ) (NP (NP (DT ) (NN )) (ADJP (JJ ) (PP (IN ) (NP (NNS )))))) (, ) (NP (DT ) (JJS )) (VP (VBZ ) (SBAR (S (NP (DT ) (JJ ) (NN )) (VP (VBZ ) (NP (NP (DT ) (NN )) (, ) (ADJP (CC ) (JJ ) (CC ) (VBG ))))))) (. )))