( ( ( solar energy ) ( for fossil ) ) ( ( energy . ) -RRB- ) )
(ROOT (S (NP (NP (JJ solar) (NN energy)) (PP (IN for) (NP (NN fossil)))) (VP (VBZ energy)) (. .) (-RRB- -RRB-)))
solar energy for fossil energy.)
(ROOT (S (NP (NP (DT The) (NN energy)) (PP (IN in) (NP (NN sunlight)))) (VP (VBZ is) (ADVP (RB also)) (VP (VBN known) (PP (IN as) (NP (JJ solar) (NN energy))))) (. .)))