( Bronze ( originally ( ( meant ( copper ( ( alloyed mostly ) ( with tin ) ) ) ) . ) ) )
(ROOT (S (NP (NN Bronze)) (ADVP (RB originally)) (VP (VBD meant) (SBAR (S (NP (NN copper)) (VP (VBD alloyed) (ADVP (RB mostly)) (PP (IN with) (NP (NN tin))))))) (. .)))
Bronze originally meant copper alloyed mostly with tin.
(ROOT (S (NP (NN Bronze)) (VP (VBZ is) (NP (NP (DT an) (NN alloy)) (PP (IN of) (NP (NN copper) (CC and) (NN tin))))) (. .)))