( Carbohydrates ( ( include ( ( ( ( ( sugars , ) starches ) , ) and ) fiber ) ) . ) )
(ROOT (S (NP (NNS Carbohydrates)) (VP (VBP include) (NP (NP (NNS sugars)) (, ,) (NP (NNS starches)) (, ,) (CC and) (NP (NN fiber)))) (. .)))
Carbohydrates include sugars, starches, and fiber.
(ROOT (S (NP (NNS Carbohydrates)) (VP (VBP are) (NP (NP (DT an) (JJ important) (NN group)) (PP (IN of) (NP (JJ biological) (NNS molecules))) (SBAR (WHNP (WDT that)) (S (VP (VBZ includes) (NP (NNS sugars) (CC and) (NNS starches))))))) (. .)))