( ( ( This energy ) ( of motion ) ) ( ( is ( called ( kinetic energy ) ) ) . ) )
(ROOT (S (NP (NP (DT This) (NN energy)) (PP (IN of) (NP (NN motion)))) (VP (VBZ is) (VP (VBN called) (NP (JJ kinetic) (NN energy)))) (. .)))
This energy of motion is called 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.