sentence1_binary_parse: ( ( ( ( Ores and ) metals ) 20,000 ) ; )
sentence1_parse: (ROOT (NP (NP (NP (NNS Ores) (CC and) (NNS metals)) (NP (CD 20,000))) (: ;)))
sentence1: Ores and metals 20,000;
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.