( ( ( An example ) ( of ( ( the transfer ) ( of ( ( chemical energy ) ( to ( electrical energy ) ) ) ) ) ) ) ( ( is ( between ( battery ( and ( light bulb ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT An) (NN example)) (PP (IN of) (NP (NP (DT the) (NN transfer)) (PP (IN of) (NP (NP (NN chemical) (NN energy)) (PP (TO to) (NP (JJ electrical) (NN energy)))))))) (VP (VBZ is) (PP (IN between) (NP (NN battery) (CC and) (NN light) (NN bulb)))) (. .)))
An example of the transfer of chemical energy to electrical energy is between battery and light bulb.
(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)))) (. .)))