( It ( ( is ( ( the ( second-largest planet ) ) ( in ( ( our ( solar system ) ) ( -LRB- ( ( Jupiter ( is ( the largest ) ) ) -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT the) (JJ second-largest) (NN planet)) (PP (IN in) (NP (NP (PRP$ our) (JJ solar) (NN system)) (PRN (-LRB- -LRB-) (S (NP (NNP Jupiter)) (VP (VBZ is) (NP (DT the) (JJS largest)))) (-RRB- -RRB-)))))) (. .)))
It is the second-largest planet in our solar system (Jupiter is the largest).
(ROOT (S (NP (NNP Jupiter)) (VP (VBZ is) (NP (NP (DT the) (JJS largest) (NN planet)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system))))) (. .)))