( ( Solar energy ) ( ( is ( energy ( that ( is ( ( derived directly ) ( from ( sunlight ( -LRB- ( ( solar radiation ) -RRB- ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Solar) (NN energy)) (VP (VBZ is) (NP (NP (NN energy)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN derived) (ADVP (RB directly)) (PP (IN from) (NP (NP (NN sunlight)) (PRN (-LRB- -LRB-) (NP (JJ solar) (NN radiation)) (-RRB- -RRB-)))))))))) (. .)))
Solar energy is energy that is derived directly from sunlight (solar radiation).
(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))))) (. .)))