( Minerals ( ( are ( substances ( that ( are ( ( formed naturally ) ( ( in ( ( the ( Earth ( . Minerals ) ) ) ( ( ( are ( usually solid ) ) , ) inorganic ) ) ) ( , ( ( ( ( have ( a ( crystal structure ) ) ) , ) and ) ( ( happen naturally ) ( by geological ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNPS Minerals)) (VP (VBP are) (NP (NP (NNS substances)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (VP (VBN formed) (ADVP (RB naturally)) (UCP (PP (IN in) (S (NP (DT the) (NNP Earth) (. .) (NNP Minerals)) (VP (VBP are) (ADJP (RB usually) (JJ solid)) (, ,) (ADJP (JJ inorganic))))) (, ,) (S (VP (VB have) (NP (DT a) (NN crystal) (NN structure))) (, ,) (CC and) (VP (VB happen) (ADVP (RB naturally)) (PP (IN by) (NP (NN geological)))))))))))) (. .)))
Minerals are substances that are formed naturally in the Earth. Minerals are usually solid, inorganic, have a crystal structure, and happen naturally by geological .
(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))))))) (. .)))