( ( ( ( ( ( Kinetic energy ) ( is ( energy ( associated ( with motion ) ) ) ) ) , ) so ) ( ( if ( there ( is motion ) ) ) ( there ( must ( be ( kinetic energy ) ) ) ) ) ) . )
(ROOT (S (S (NP (JJ Kinetic) (NN energy)) (VP (VBZ is) (NP (NP (NN energy)) (VP (VBN associated) (PP (IN with) (NP (NN motion))))))) (, ,) (IN so) (S (SBAR (IN if) (S (NP (EX there)) (VP (VBZ is) (NP (NN motion))))) (NP (EX there)) (VP (MD must) (VP (VB be) (NP (JJ kinetic) (NN energy))))) (. .)))
Kinetic energy is energy associated with motion, so if there is motion there must be kinetic energy.
(ROOT (S (NP (NNP Kinetic)) (ADVP (RB engergy)) (VP (VBZ is) (NP (NP (DT the) (NN energy)) (PP (IN of) (NP (NP (NN anything)) (PP (IN in) (NP (NN motion))))))) (. .)))