( Ganymede ( ( is ( ( the ( largest satellite ) ) ( in ( ( ( the ( solar system ) ) , ) ( larger ( than ( the ( planets ( ( Mercury and ) Pluto ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Ganymede)) (VP (VBZ is) (NP (NP (DT the) (JJS largest) (NN satellite)) (PP (IN in) (NP (NP (DT the) (JJ solar) (NN system)) (, ,) (NP (NP (JJR larger)) (PP (IN than) (NP (DT the) (NNS planets) (NNP Mercury) (CC and) (NNP Pluto)))))))) (. .)))
Ganymede is the largest satellite in the solar system, larger than the planets Mercury and Pluto.
(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))))) (. .)))