( ( An alloy ) ( ( is ( ( ( a mixture ) or ) ( ( metallic ( solid solution ) ) ( composed ( of ( ( ( two or ) more ) elements ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT An) (NN alloy)) (VP (VBZ is) (NP (NP (DT a) (NN mixture)) (CC or) (NP (NP (JJ metallic) (JJ solid) (NN solution)) (VP (VBN composed) (PP (IN of) (NP (QP (CD two) (CC or) (JJR more)) (NNS elements))))))) (. .)))
An alloy is a mixture or metallic solid solution composed of two or more elements.
(ROOT (S (NP (JJ Metallic) (NNS solids)) (VP (VBP are) (VP (VBN composed) (ADVP (RB entirely)) (PP (IN of) (NP (JJ metallic) (NNS atoms))))) (. .)))