( ( ( ( ( Solar energy ) , ) ( ( ( stored ( as ( fossil fuels ) ) ) or ) ( ( renewed daily ) ( as ( ( ( ( wind , ) sun ) and ) ( water power ) ) ) ) ) ) , ) ( ( ( is not ) ( ( the ( only source ) ) ( of ( energy ( ( ( ( in ( the universe ) ) , ) or ) ( on earth ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Solar) (NN energy)) (, ,) (VP (VP (VBN stored) (PP (IN as) (NP (JJ fossil) (NNS fuels)))) (CC or) (VP (VBN renewed) (ADVP (RB daily)) (PP (IN as) (NP (NP (NN wind)) (, ,) (NP (NN sun)) (CC and) (NP (NN water) (NN power)))))) (, ,)) (VP (VBZ is) (RB not) (NP (NP (DT the) (JJ only) (NN source)) (PP (IN of) (NP (NP (NN energy)) (PP (PP (IN in) (NP (DT the) (NN universe))) (, ,) (CC or) (PP (IN on) (NP (NN earth)))))))) (. .)))
Solar energy, stored as fossil fuels or renewed daily as wind, sun and water power, is not the only source of energy in the universe, or on earth.
(ROOT (S (NP (NP (NNP Solar)) (CC and) (NP (NN wind))) (VP (VBP are) (ADVP (RB still)) (ADJP (JJ expensive)) (PP (VBN compared) (PP (TO to) (NP (JJ fossil) (NNS fuels))))) (. .)))