's really so appealing about the characters 
(ROOT (VP (VBZ 's) (ADVP (RB really)) (ADJP (ADJP (RB so) (JJ appealing)) (PP (IN about) (NP (DT the) (NNS characters))))))
(ROOT (VP (VBZ ) (ADVP (RB )) (ADJP (ADJP (RB ) (JJ )) (PP (IN ) (NP (DT ) (NNS ))))))