( ( ( ( ( It ( is ( about ( ( the size ) ( of ( the ( planet Saturn ) ) ) ) ) ) ) , ) and ) ( ( has ( three moons ) ) ( ( the size ) ( of Pluto ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBZ is) (PP (IN about) (NP (NP (DT the) (NN size)) (PP (IN of) (NP (DT the) (NN planet) (NN Saturn))))))) (, ,) (CC and) (SINV (VP (VBZ has) (NP (CD three) (NNS moons))) (NP (NP (DT the) (NN size)) (PP (IN of) (NP (NNP Pluto))))) (. .)))
It is about the size of the planet Saturn, and has three moons the size of Pluto.
(ROOT (S (NP (NNP Pluto)) (VP (VBZ has) (NP (CD three) (NNS moons))) (. .)))