( ( Mercury Mercury ) ( ( is ( ( ( ( ( the ( closest planet ) ) ( to ( the Sun ) ) ) , ) and ) ( the ( eight largest ) ) ) ) . ) )
(ROOT (S (NP (NNP Mercury) (NNP Mercury)) (VP (VBZ is) (NP (NP (NP (DT the) (JJS closest) (NN planet)) (PP (TO to) (NP (DT the) (NNP Sun)))) (, ,) (CC and) (NP (DT the) (CD eight) (JJS largest)))) (. .)))
Mercury Mercury is the closest planet to the Sun, and the eight largest.
(ROOT (S (NP (NNP Mercury)) (VP (VBZ is) (ADJP (ADJP (JJS closest)) (PP (TO to) (NP (PRP$ our) (NN sun))))) (. .)))