( ( ( ( Mars , ) ( ( the ( fourth planet ) ) ( from ( ( ( the sun ) , ) ( named ( for ( ( the god ) ( of ( ( war and ) discord ) ) ) ) ) ) ) ) ) , ) ( ( is ( ( the ( closest planet ) ) ( to ( our own ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Mars)) (, ,) (NP (NP (DT the) (JJ fourth) (NN planet)) (PP (IN from) (NP (NP (DT the) (NN sun)) (, ,) (VP (VBN named) (PP (IN for) (NP (NP (DT the) (NN god)) (PP (IN of) (NP (NN war) (CC and) (NN discord))))))))) (, ,)) (VP (VBZ is) (NP (NP (DT the) (JJS closest) (NN planet)) (PP (TO to) (NP (PRP$ our) (JJ own))))) (. .)))
Mars, the fourth planet from the sun, named for the god of war and discord, is the closest planet to our own.
(ROOT (S (NP (NNP Mars)) (VP (VBZ is) (NP (NP (DT the) (JJ fourth) (NN planet)) (PP (IN from) (NP (DT the) (NN sun))))) (. .)))