captivating coming-of-age story 
(ROOT (NP (VBG captivating) (NML (S (VP (VBG coming) (HYPH -) (PP (IN of) (HYPH -) (NP (NN age)))))) (NN story)))
(ROOT (NP (VBG ) (NML (S (VP (VBG ) (HYPH ) (PP (IN ) (HYPH ) (NP (NN )))))) (NN )))