( E ( -RRB- ( ( The ( Milky ( Way Galaxy ) ) ) ( ( is ( ( ( about 100,000 ) light-years ) ( in diameter ) ) ) . ) ) ) )
(ROOT (S (LST (JJ E)) (-RRB- -RRB-) (NP (DT The) (NNP Milky) (NNP Way) (NNP Galaxy)) (VP (VBZ is) (NP (NP (QP (RB about) (CD 100,000)) (NNS light-years)) (PP (IN in) (NP (NN diameter))))) (. .)))
E) The Milky Way Galaxy is about 100,000 light-years in diameter.
(ROOT (FRAG (S (S (VP (TO To) (VP (VB express) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (NP (DT the) (JJ milky) (NN way) (NN galaxy)) (CC and) (NP (JJ other) (NNS galaxies)))))))) (, ,) (NP (NP (DT the) (ADJP (RBS most) (JJ appropriate)) (NN unit)) (PP (IN of) (NP (NN measurement)))) (VP (VBZ is) (NP (DT the) (NN light-year))))))