( ( ( Carbohydrates and ) proteins ) ( ( have ( ( four calories ) ( per gram ) ) ) ; ) )
(ROOT (S (NP (NNS Carbohydrates) (CC and) (NNS proteins)) (VP (VBP have) (NP (NP (CD four) (NNS calories)) (PP (IN per) (NP (NN gram))))) (: ;)))
Carbohydrates and proteins have four calories per gram;
(ROOT (S (NP (NP (CD One) (NN gram)) (PP (IN of) (NP (NNS carbohydrates)))) (VP (VBZ provides) (NP (NP (CD four) (NNS calories)) (PP (IN of) (NP (NN energy))))) (. .)))