( ( ( ( ( Outer ( Planets ( ( -LRB- ( ( Giant Planets ) -RRB- ) ) Jupiter ) ) ) , ) Saturn ) , ) ( ( ( ( Uranus , ) and ) Neptune ) . ) )
(ROOT (S (NP (NP (NNP Outer) (NNP Planets) (PRN (-LRB- -LRB-) (NP (NNP Giant) (NNP Planets)) (-RRB- -RRB-)) (NNP Jupiter)) (, ,) (NP (NNP Saturn)) (, ,)) (VP (VP (VBZ Uranus)) (, ,) (CC and) (VP (VBZ Neptune))) (. .)))
Outer Planets (Giant Planets) Jupiter, Saturn, Uranus, and Neptune.
(ROOT (S (NP (NNS Uranus)) (VP (VBZ is) (NP (DT the) (ADJP (JJS least) (JJ massive)) (JJ outer) (NN planet))) (. .)))