( ( ( The ( Planets ( Zoom ( Astronomy ( Mercury ( Introduction Map ) ) ) ) ) ) ( of Mercury ) ) ( ( Inside ( ( Mercury Length ) ( of ( a ( Day ( and ( Year Activities ) ) ) ) ) ) ) ( , ( ( ( Web ( Links ( GENERAL INFORMATION ) ) ) ( ON ( MERCURY Mercury ) ) ) ( ( is ( ( the planet ) ( closest ( to ( ( the sun ) ( in ( our ( solar system ) ) ) ) ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NNP Planets) (NNP Zoom) (NNP Astronomy) (NNP Mercury) (NNP Introduction) (NNP Map)) (PP (IN of) (NP (NNP Mercury)))) (PP (IN Inside) (NP (NP (NNP Mercury) (NNP Length)) (PP (IN of) (NP (DT a) (NNP Day) (CC and) (NNP Year) (NNPS Activities))))) (, ,) (NP (NP (NNP Web) (NNP Links) (NNP GENERAL) (NNP INFORMATION)) (PP (IN ON) (NP (NNP MERCURY) (NNP Mercury)))) (VP (VBZ is) (NP (NP (DT the) (NN planet)) (ADJP (ADJP (JJS closest)) (PP (TO to) (NP (NP (DT the) (NN sun)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system)))))))) (. .)))
The Planets Zoom Astronomy Mercury Introduction Map of Mercury Inside Mercury Length of a Day and Year Activities, Web Links GENERAL INFORMATION ON MERCURY Mercury is the planet closest to the sun in our solar system.
(ROOT (S (NP (NNP Mercury)) (VP (VBZ is) (NP (NP (DT the) (JJS smallest) (NN planet)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system))))) (. .)))