( ( Differences ( between ( ( ( minerals and ) rocks ) ( A mineral ) ) ) ) ( ( is ( a ( ( naturally occurring ) ( , ( ( ( inorganic solid ) ( with ( ( ( a ( definite ( chemical composition ) ) ) and ) ( a crystalline ) ) ) ) structure ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Differences)) (PP (IN between) (NP (NP (NNS minerals) (CC and) (NNS rocks)) (NP (DT A) (NN mineral))))) (VP (VBZ is) (NP (DT a) (ADJP (RB naturally) (VBG occurring)) (, ,) (ADJP (ADJP (JJ inorganic) (JJ solid)) (PP (IN with) (NP (NP (DT a) (JJ definite) (NN chemical) (NN composition)) (CC and) (NP (DT a) (NN crystalline))))) (NN structure))) (. .)))
Differences between minerals and rocks A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.
(ROOT (S (NP (DT A) (NN mineral)) (VP (VBZ is) (VP (VBN described) (PP (IN as) (NP (NP (DT a) (JJ solid) (JJ natural) (NN material)) (PP (IN with) (NP (DT a) (NN crystal) (NN structure))))))) (. .)))