( Brass ( ( is ( copper ( alloyed ( with zinc ) ) ) ) . ) )
(ROOT (S (NP (NNS Brass)) (VP (VBZ is) (NP (NP (NN copper)) (VP (VBN alloyed) (PP (IN with) (NP (NN zinc)))))) (. .)))
Brass is copper alloyed with zinc.
(ROOT (S (NP (NNP Brass) (NNP alloy)) (VP (VBZ is) (VP (VBN made) (PP (IN from) (NP (NN copper) (CC and) (NN zinc))))) (. .)))