( ( ( Food energy ) ( from fruits ) ) ( ( ( comes mostly ) ( from ( ( fructose , ) ( a ( simple sugar ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NN Food) (NN energy)) (PP (IN from) (NP (NNS fruits)))) (VP (VBZ comes) (ADVP (RB mostly)) (PP (IN from) (NP (NP (NN fructose)) (, ,) (NP (DT a) (JJ simple) (NN sugar))))) (. .)))
Food energy from fruits comes mostly from fructose, a simple sugar.
(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))))))))) (. .)))