( ( ( ( ( The Sun ) , ) ( ( a ( dwarf star ) ) ( of ( type G2 ) ) ) ) , ) ( is ( classified ( as ( G2 V. ) ) ) ) )
(ROOT (S (NP (NP (DT The) (NNP Sun)) (, ,) (NP (NP (DT a) (NN dwarf) (NN star)) (PP (IN of) (NP (NN type) (NN G2)))) (, ,)) (VP (VBZ is) (VP (VBN classified) (PP (IN as) (NP (NNP G2) (NNP V.)))))))
The Sun , a dwarf star of type G2, is classified as G2 V.
(ROOT (S (NP (DT The) (NN sun)) (VP (VBZ is) (VP (VBN classified) (PP (IN as) (NP (DT a) (NN star))))) (. .)))
The sun is classified as a star.