is still quite good-natured and 
(ROOT (S (VP (VBZ is) (ADVP (RB still)) (ADJP (RB quite) (JJ good) (HYPH -) (JJ natured))) (CC and)))
(ROOT (S (VP (VBZ ) (ADVP (RB )) (ADJP (RB ) (JJ ) (HYPH ) (JJ ))) (CC )))