( ( ( The owner ) ( of ( the mine ) ) ) ( ( must ( ( announce ( to ( the ( mining authorities ) ) ) ) ( ( the ( ( ores or ) metals ) ) ( that ( he ( ( wants ( to mine ) ) ( before ( starting ( his work ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN owner)) (PP (IN of) (NP (DT the) (NN mine)))) (VP (MD must) (VP (VB announce) (PP (TO to) (NP (DT the) (NN mining) (NNS authorities))) (NP (NP (DT the) (NNS ores) (CC or) (NNS metals)) (SBAR (IN that) (S (NP (PRP he)) (VP (VBZ wants) (PP (TO to) (NP (NN mine))) (PP (IN before) (S (VP (VBG starting) (NP (PRP$ his) (NN work))))))))))) (. .)))
The owner of the mine must announce to the mining authorities the ores or metals that he wants to mine before starting his work.
(ROOT (S (NP (NNS Metals)) (VP (VBP start) (PRT (RP out)) (PP (IN as) (NP (NN ore)))) (. .)))
Metals start out as ore.