( ( ( ( Solar system ) : ) ( ( sun and ) planets ) ) . )
(ROOT (NP (NP (NNP Solar) (NN system)) (: :) (NP (NP (NN sun)) (CC and) (NP (NNS planets))) (. .)))
Solar system: sun and planets.
(ROOT (S (NP (NP (DT The) (JJS largest) (NN body)) (PP (IN in) (NP (PRP$ our) (JJ solar) (NN system)))) (VP (VBZ is) (NP (DT the) (NN sun))) (. .)))