sentence1_binary_parse: ( ( Gems ( and ( metal ores ) ) ) ( ( are ( ( their foods ) ( of choice ) ) ) . ) )
sentence1_parse: (ROOT (S (NP (NNS Gems) (CC and) (NN metal) (NNS ores)) (VP (VBP are) (NP (NP (PRP$ their) (NNS foods)) (PP (IN of) (NP (NN choice))))) (. .)))
sentence1: Gems and metal ores are their foods of choice.
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.