( Galactose ( ( is ( ( a sugar ) ( that ( is ( found ( in ( the ( disaccharide ( , ( lactose ( or ( milk sugar ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Galactose)) (VP (VBZ is) (NP (NP (DT a) (NN sugar)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (DT the) (JJ disaccharide) (, ,) (JJ lactose) (CC or) (NN milk) (NN sugar))))))))) (. .)))
Galactose is a sugar that is found in the disaccharide, lactose or milk sugar.
(ROOT (S (NP (RB Double) (NNS sugars)) (VP (VBP are) (VP (VBN called) (NP (NNS disaccharides)))) (. .)))