( Brass ( ( ( ( Alloy ( ( An alloy ) ( of ( ( copper and ) zinc ) ) ) ) , ) ( although ( ( the term ) ( is ( loosely ( used ( to ( include ( all ( copper alloys ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Brass)) (VP (VBZ Alloy) (NP (NP (DT An) (NN alloy)) (PP (IN of) (NP (NN copper) (CC and) (NN zinc)))) (, ,) (SBAR (IN although) (S (NP (DT the) (NN term)) (VP (VBZ is) (ADJP (RB loosely) (VBN used) (S (VP (TO to) (VP (VB include) (NP (DT all) (NN copper) (NNS alloys)))))))))) (. .)))
Brass Alloy An alloy of copper and zinc , although the term is loosely used to include all copper alloys.
(ROOT (S (NP (NNP Brass) (NNP alloy)) (VP (VBZ is) (VP (VBN made) (PP (IN from) (NP (NN copper) (CC and) (NN zinc))))) (. .)))