( ( My materials ) ( ( come ( from ( ( ( the earth ) , ) ( glass ( tinted ( by ( ( minerals , ) ( copper ( , ( iron ( , ( silver ( , ( gold ( and ( quartz crystal ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP$ My) (NNS materials)) (VP (VBP come) (PP (IN from) (NP (NP (DT the) (NN earth)) (, ,) (NP (NP (NN glass)) (VP (VBN tinted) (PP (IN by) (NP (NP (NNS minerals)) (, ,) (NP (NN copper) (, ,) (NN iron) (, ,) (NN silver) (, ,) (NN gold) (CC and) (NN quartz) (NN crystal))))))))) (. .)))
My materials come from the earth, glass tinted by minerals, copper, iron, silver, gold and quartz crystal.
(ROOT (S (NP (DT The) (NN mineral) (NN quartz)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB produce) (NP (NN glass))))))) (. .)))