( ( A ( ( ( disaccharide or ) double ) sugar ) ) ( ( made ( of ( ( equal parts ) ( of ( ( glucose and ) fructose ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (ADJP (JJ disaccharide) (CC or) (JJ double)) (NN sugar)) (VP (VBD made) (PP (IN of) (NP (NP (JJ equal) (NNS parts)) (PP (IN of) (NP (NN glucose) (CC and) (NN fructose)))))) (. .)))
A disaccharide or double sugar made of equal parts of glucose and fructose.
(ROOT (S (NP (RB Double) (NNS sugars)) (VP (VBP are) (VP (VBN called) (NP (NNS disaccharides)))) (. .)))