( ( ( The energy ) ( of motion ) ) ( ( is ( kinetic energy ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN energy)) (PP (IN of) (NP (NN motion)))) (VP (VBZ is) (NP (JJ kinetic) (NN energy))) (. .)))
The energy of motion is kinetic energy.
(ROOT (S (NP (JJ Kinetic) (NN energy)) (VP (VBZ is) (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (NN motion))))) (. .)))
Kinetic energy is the energy of motion.