( ( The electrons ) ( ( ( ( take ( in ( ( the energy ) ( of ( the ( light wave ) ) ) ) ) ) and ) ( start ( to vibrate ) ) ) . ) )
(ROOT (S (NP (DT The) (NNS electrons)) (VP (VP (VBP take) (PP (IN in) (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (DT the) (JJ light) (NN wave)))))) (CC and) (VP (VBP start) (S (VP (TO to) (VP (VB vibrate)))))) (. .)))
The electrons take in the energy of the light wave and start to vibrate.
(ROOT (S (PP (IN Like) (NP (NP (DT the) (NNS strings)) (PP (IN of) (NP (NN cello))))) (, ,) (NP (NP (NN anything)) (SBAR (WHNP (WDT that)) (S (VP (VBZ vibrates))))) (VP (VBZ produces) (NP (NP (NNS waves)) (PP (IN of) (NP (NN energy))))) (. .)))