is delightful in the central role . 
(ROOT (S (VP (VBZ is) (ADJP (JJ delightful)) (PP (IN in) (NP (DT the) (JJ central) (NN role)))) (. .)))
(ROOT (S (VP (VBZ ) (ADJP (JJ )) (PP (IN ) (NP (DT ) (JJ ) (NN )))) (. )))