( Coal ( ( is ( ( the ( major source ) ) ( of ( energy ( in China ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Coal)) (VP (VBZ is) (NP (NP (DT the) (JJ major) (NN source)) (PP (IN of) (NP (NP (NN energy)) (PP (IN in) (NP (NNP China))))))) (. .)))
Coal is the major source of energy in China.
(ROOT (S (S (NP (NNP Coal)) (VP (VBZ is) (ADJP (JJ nonrenewable)))) (, ,) (CC and) (S (NP (DT the) (NN sun)) (VP (VBZ is) (ADJP (JJ renewable) (SBAR (S (VP (VBZ is) (SBAR (WHADVP (WRB how)) (S (NP (NP (NN coal)) (CC and) (NP (DT the) (NN sun))) (VP (VBP compare) (PP (IN as) (NP (NP (NNS sources)) (PP (IN of) (NP (NN energy)))))))))))))) (. .)))