( It ( ( is ( ( ( ( an ore ) ( of ( lanthanum metal ) ) ) , ) ( along ( with monazite ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT an) (NN ore)) (PP (IN of) (NP (NN lanthanum) (NN metal))) (, ,) (ADVP (IN along) (PP (IN with) (NP (NN monazite)))))) (. .)))
It is an ore of lanthanum metal, along with monazite.
(ROOT (S (NP (NNS Metals)) (VP (VBP start) (PRT (RP out)) (PP (IN as) (NP (NN ore)))) (. .)))
Metals start out as ore.