( ( ( ( kinetic energy ) - ) ( energy ( of ( motion ( of ( an object ) ) ) ) ) ) . )
(ROOT (NP (NP (JJ kinetic) (NN energy)) (: -) (NP (NP (NN energy)) (PP (IN of) (NP (NP (NN motion)) (PP (IN of) (NP (DT an) (NN object)))))) (. .)))
kinetic energy -energy of motion of an object.
(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.