( Metallic Solids )
(ROOT (NP (NNP Metallic) (NNPS Solids)))
Metallic Solids
(ROOT (S (NP (JJ Metallic) (NNS solids)) (VP (VBP are) (VP (VBN composed) (ADVP (RB entirely)) (PP (IN of) (NP (JJ metallic) (NNS atoms))))) (. .)))