( ( ( All ( our energy ) ) ( sources-coal ( , ( gas ( , ( oil ( , ( wood ( , ( and food-are ) ) ) ) ) ) ) ) ) ) ( ( ( ( funneled ( to us ) ) ( from ( the sun ) ) ) ( through ( green plants ) ) ) . ) )
(ROOT (S (NP (NP (PDT All) (PRP$ our) (NN energy)) (NP (NN sources-coal) (, ,) (NN gas) (, ,) (NN oil) (, ,) (NN wood) (, ,) (CC and) (NN food-are))) (VP (VBD funneled) (PP (TO to) (NP (PRP us))) (PP (IN from) (NP (DT the) (NN sun))) (PP (IN through) (NP (JJ green) (NNS plants)))) (. .)))
All our energy sources-coal, gas, oil, wood, and food-are funneled to us from the sun through green plants.
(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)))))))))))))) (. .)))