sentence1_binary_parse: ( It ( ( helps ( ( the ( metal ore ) ) ( to melt ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (PRP It)) (VP (VBZ helps) (S (NP (DT the) (NN metal) (NN ore)) (VP (TO to) (VP (VB melt))))) (. .)))
sentence1: It helps the metal ore to melt.
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.