( ( ( ( ( Tomorrow ( Slugs ( Chemistry ( Corner Neon ) ) ) ) ( is ( a ( Noble gas ) ) ) ) -- ) ( ( ( its ( outer shell ) ) ( of ( valence electrons ) ) ) ( is full ) ) ) . )
(ROOT (S (S (NP (NNP Tomorrow) (NNP Slugs) (NNP Chemistry) (NNP Corner) (NNP Neon)) (VP (VBZ is) (NP (DT a) (NNP Noble) (NN gas)))) (: --) (S (NP (NP (PRP$ its) (JJ outer) (NN shell)) (PP (IN of) (NP (JJ valence) (NNS electrons)))) (VP (VBZ is) (ADJP (JJ full)))) (. .)))
Tomorrow Slugs Chemistry Corner Neon is a Noble gas -- its outer shell of valence electrons is full.
(ROOT (S (NP (NNP Neon)) (VP (VBZ is) (NP (NP (DT an) (NN example)) (PP (IN of) (NP (JJ noble) (NN gas))))) (. .)))