( ( ( ( Other types ) ( of ( sugars ( such ( as fructose ) ) ) ) ) ( -LRB- ( ( ( the ( principal sugar ) ) ( in fruit ) ) -RRB- ) ) ) ( ( had ( no effect ) ) . ) )
(ROOT (S (NP (NP (NP (JJ Other) (NNS types)) (PP (IN of) (NP (NP (NNS sugars)) (PP (JJ such) (IN as) (NP (NN fructose)))))) (PRN (-LRB- -LRB-) (NP (NP (DT the) (JJ principal) (NN sugar)) (PP (IN in) (NP (NN fruit)))) (-RRB- -RRB-))) (VP (VBD had) (NP (DT no) (NN effect))) (. .)))
Other types of sugars such as fructose (the principal sugar in fruit) had no effect.
(ROOT (S (NP (NNP Fructose)) (VP (VBZ is) (NP (NP (DT a) (NN sugar)) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (VP (VBN found) (PP (IN in) (NP (NNS fruits))))))))) (. .)))