( ( ( List and ) ( describe ( types ( of ( ( ( renewable and ) nonrenewable ) ( energy sources ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VB List)) (CC and) (VP (VB describe) (NP (NP (NNS types)) (PP (IN of) (NP (ADJP (JJ renewable) (CC and) (JJ nonrenewable)) (NN energy) (NNS sources)))))) (. .)))
List and describe types of renewable and nonrenewable energy sources.
(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)))))))))))))) (. .)))