( Light ( ( sensors ( that ( ( convert ( the ( light energy ) ) ) ( to electricity ) ) ) ) . ) )
(ROOT (S (NP (NNP Light)) (VP (VBZ sensors) (S (NP (DT that)) (VP (VB convert) (NP (DT the) (JJ light) (NN energy)) (PP (TO to) (NP (NN electricity)))))) (. .)))
Light sensors that convert the light energy to electricity.
(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)))) (. .)))