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