more dutiful than enchanting ... terribly episodic and lacking the spark of imagination that might have made it an exhilarating treat . 
(ROOT (ADJP (ADJP (ADJP (RBR more) (JJ dutiful)) (PP (IN than) (ADJP (JJ enchanting)))) (, ...) (ADJP (RB terribly) (JJ episodic)) (CC and) (VP (VBG lacking) (NP (NP (NP (DT the) (NN spark)) (PP (IN of) (NP (NN imagination)))) (SBAR (WHNP (WDT that)) (S (VP (MD might) (VP (VB have) (VP (VBN made) (S (NP (PRP it)) (NP (DT an) (JJ exhilarating) (NN treat)))))))))) (. .)))
(ROOT (ADJP (ADJP (ADJP (RBR ) (JJ )) (PP (IN ) (ADJP (JJ )))) (, ) (ADJP (RB ) (JJ )) (CC ) (VP (VBG ) (NP (NP (NP (DT ) (NN )) (PP (IN ) (NP (NN )))) (SBAR (WHNP (WDT )) (S (VP (MD ) (VP (VB ) (VP (VBN ) (S (NP (PRP )) (NP (DT ) (JJ ) (NN )))))))))) (. )))