( Pluto ( ( is ( ( the ( second-largest ( dwarf planet ) ) ) ( in ( the ( Solar System ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Pluto)) (VP (VBZ is) (NP (NP (DT the) (JJ second-largest) (NN dwarf) (NN planet)) (PP (IN in) (NP (DT the) (NNP Solar) (NNP System))))) (. .)))
Pluto is the second-largest dwarf planet in the Solar System.
(ROOT (S (NP (NNP Pluto)) (VP (VBZ is) (ADVP (RB now)) (VP (VBN called) (NP (NN dwarf) (NN planet)))) (. .)))