( ( An ( electric motor ) ) ( ( ( converts ( electrical energy ) ) ( to ( kinetic energy ) ) ) . ) )
(ROOT (S (NP (DT An) (JJ electric) (NN motor)) (VP (VBZ converts) (NP (JJ electrical) (NN energy)) (PP (TO to) (NP (JJ kinetic) (NN energy)))) (. .)))
An electric motor converts electrical energy to kinetic energy.
(ROOT (S (NP (NNP Electric) (NNS motors)) (VP (VB transform) (NP (JJ electrical) (NN energy)) (PP (IN into) (NP (JJ kinetic) (NN energy)))) (. .)))
Electric motors transform electrical energy into kinetic energy.