what 's really so appealing about the characters is their resemblance to everyday children . 
(ROOT (S (SBAR (WHNP (WP what)) (S (VP (VBZ 's) (ADVP (RB really)) (ADJP (ADJP (RB so) (JJ appealing)) (PP (IN about) (NP (DT the) (NNS characters))))))) (VP (VBZ is) (NP (NP (PRP$ their) (NN resemblance)) (PP (IN to) (NP (JJ everyday) (NNS children))))) (. .)))
(ROOT (S (SBAR (WHNP (WP )) (S (VP (VBZ ) (ADVP (RB )) (ADJP (ADJP (RB ) (JJ )) (PP (IN ) (NP (DT ) (NNS ))))))) (VP (VBZ ) (NP (NP (PRP$ ) (NN )) (PP (IN ) (NP (JJ ) (NNS ))))) (. )))