( ( His ( second ( least-aspected planet ) ) ) ( ( was ( ( Uranus , ) ( ( the planet ) ( ruling inventions ) ) ) ) . ) )
(ROOT (S (NP (PRP$ His) (JJ second) (JJ least-aspected) (NN planet)) (VP (VBD was) (NP (NP (NNP Uranus)) (, ,) (NP (NP (DT the) (NN planet)) (VP (VBG ruling) (NP (NNS inventions)))))) (. .)))
His second least-aspected planet was Uranus, the planet ruling inventions.
(ROOT (S (NP (NNS Uranus)) (VP (VBZ is) (NP (DT the) (ADJP (JJS least) (JJ massive)) (JJ outer) (NN planet))) (. .)))