( ( ( ( Coal ( as ( a ( ( solid stratified ) rock ) ) ) ) ( ( ( ( composed mainly ) ( of hydrocarbon ) ) and ) capable ) ) ( of ( being ( ( used ( as ( a fuel ) ) ) ( to ( supply ( ( ( ( heat or ) light ) or ) both ) ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (NN Coal)) (PP (IN as) (NP (DT a) (ADJP (JJ solid) (JJ stratified)) (NN rock))) (UCP (VP (VBN composed) (ADVP (RB mainly)) (PP (IN of) (NP (NN hydrocarbon)))) (CC and) (ADJP (JJ capable)))) (PP (IN of) (S (VP (VBG being) (VP (VBN used) (PP (IN as) (NP (DT a) (NN fuel))) (S (VP (TO to) (VP (VB supply) (NP (NP (NN heat) (CC or) (NN light)) (CC or) (NP (DT both)))))))))) (. .)))
Coal as a solid stratified rock composed mainly of hydrocarbon and capable of being used as a fuel to supply heat or light or both.
(ROOT (S (NP (PRP We)) (VP (VBP call) (NP (NP (DT the) (JJ solid) (NN form)) (PP (IN of) (NP (JJ hydrocarbons) (NN coal))))) (. .)))