( Generally ( , ( fats ( ( ( ( provide ( about ( ( nine calories ) ( per gram ) ) ) ) , ) ( while ( ( ( the ( same amount ) ) ( of ( ( protein or ) carbohydrate ) ) ) ( provides ( just ( four calories ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB Generally)) (, ,) (NP (NNS fats)) (VP (VBP provide) (PP (IN about) (NP (NP (CD nine) (NNS calories)) (PP (IN per) (NP (NN gram))))) (, ,) (SBAR (IN while) (S (NP (NP (DT the) (JJ same) (NN amount)) (PP (IN of) (NP (NN protein) (CC or) (NN carbohydrate)))) (VP (VBZ provides) (NP (RB just) (CD four) (NNS calories)))))) (. .)))
Generally, fats provide about nine calories per gram, while the same amount of protein or carbohydrate provides just four calories.
(ROOT (S (NP (NP (CD One) (NN gram)) (PP (IN of) (NP (NNS proteins)))) (VP (VBZ provides) (NP (NP (CD four) (NNS calories)) (PP (IN of) (NP (NN energy))))) (. .)))