( ( Rock ( ( a ( ( naturally formed ) substance ) ) ( consisting ( of ( ( ( one or ) more ) minerals ) ) ) ) ) . )
(ROOT (S (VP (VB Rock) (NP (NP (DT a) (ADJP (RB naturally) (VBN formed)) (NN substance)) (VP (VBG consisting) (PP (IN of) (NP (QP (CD one) (CC or) (JJR more)) (NNS minerals)))))) (. .)))
Rock a naturally formed substance consisting of one or more minerals .
(ROOT (S (NP (DT A) (NN mineral)) (VP (VBZ is) (VP (VBN described) (PP (IN as) (NP (NP (DT a) (JJ natural) (NN substance)) (SBAR (WHNP (WDT that)) (S (VP (VBZ makes) (PRT (RP up)) (NP (NNS rocks))))))))) (. .)))