( ( carbohydrate ( ( transformations , ) ( such ( as ( ( converting starch ) ( to sugar ) ) ) ) ) ) . )
(ROOT (S (VP (VB carbohydrate) (NP (NP (NNS transformations)) (, ,) (PP (JJ such) (IN as) (S (VP (VBG converting) (NP (NN starch)) (PP (TO to) (NP (NN sugar)))))))) (. .)))
carbohydrate transformations, such as converting starch to sugar.
(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))))))) (. .)))