( ( Deposits ( of ( metal ore ) ) ) ( ( are ( common ( in Greece ) ) ) . ) )
(ROOT (S (NP (NP (NNS Deposits)) (PP (IN of) (NP (NN metal) (NN ore)))) (VP (VBP are) (ADJP (JJ common) (PP (IN in) (NP (NNP Greece))))) (. .)))
Deposits of metal ore are common in Greece.
(ROOT (S (NP (NNS Metals)) (VP (VBP start) (PRT (RP out)) (PP (IN as) (NP (NN ore)))) (. .)))
Metals start out as ore.