sentence1_binary_parse: ( ( ( and ( metal ( ore mining ) ) ) ( -LRB- ( ( 20 % ) -RRB- ) ) ) . )
sentence1_parse: (ROOT (NP (NP (NNP and) (NN metal) (NN ore) (NN mining)) (PRN (-LRB- -LRB-) (NP (CD 20) (NN %)) (-RRB- -RRB-)) (. .)))
sentence1: and metal ore mining (20%).
sentence2_parse: (ROOT (S (NP (NNS Metals)) (VP (VBP start) (PRT (RP out)) (PP (IN as) (NP (NN ore)))) (. .)))
sentence2: Metals start out as ore.