( ( ( ( Any source ) ( of energy ) ) ( such ( as ( coal ( , ( oil ( , ( natural ( gas ( , ( sun ( , ( water ( , ( wind ( and ( nuclear reactions ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . )
(ROOT (NP (NP (DT Any) (NN source)) (PP (IN of) (NP (NN energy))) (PP (JJ such) (IN as) (NP (NN coal) (, ,) (NN oil) (, ,) (JJ natural) (NN gas) (, ,) (NN sun) (, ,) (NN water) (, ,) (NN wind) (CC and) (JJ nuclear) (NNS reactions))) (. .)))
Any source of energy such as coal, oil, natural gas, sun, water, wind and nuclear reactions.
(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)))))))))))))) (. .)))