( It ( ( is ( one ( of ( ( ( the ( four ( giant ( outer planets ) ) ) ) , ) ( the ( others ( being ( Jupiter ( , ( Uranus ( , ( and Neptune ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (NP (DT the) (CD four) (JJ giant) (JJ outer) (NNS planets)) (, ,) (NP (DT the) (NNS others) (S (VP (VBG being) (NP (NNP Jupiter) (, ,) (NNP Uranus) (, ,) (CC and) (NNP Neptune))))))))) (. .)))
It is one of the four giant outer planets , the others being Jupiter , Uranus , and Neptune .
(ROOT (S (NP (NNS Uranus)) (VP (VBZ is) (NP (DT the) (ADJP (JJS least) (JJ massive)) (JJ outer) (NN planet))) (. .)))