glass 's dirgelike score becomes a fang-baring lullaby 
(ROOT (S (NP (NP (NN glass) (POS 's)) (JJ dirgelike) (NN score)) (VP (VBZ becomes) (NP (DT a) (ADJP (NN fang) (HYPH -) (VBG baring)) (NN lullaby)))))
(ROOT (S (NP (NP (NN ) (POS )) (JJ ) (NN )) (VP (VBZ ) (NP (DT ) (ADJP (NN ) (HYPH ) (VBG )) (NN )))))