( ( Solar modules ) ( ( ( convert ( light energy ) ) ( to ( electrical energy ) ) ) . ) )
(ROOT (S (NP (NNP Solar) (NNS modules)) (VP (VBP convert) (NP (JJ light) (NN energy)) (PP (TO to) (NP (JJ electrical) (NN energy)))) (. .)))
Solar modules convert light energy to electrical energy.
(ROOT (S (NP (DT A) (JJ light) (NN bulb)) (VP (VBZ converts) (NP (JJ electrical) (NN energy)) (PP (TO to) (NP (JJ light) (CC and) (JJ thermal) (NN energy)))) (. .)))