( ( calorie ( ( A number ) ( of ( energy units ) ) ) ) . )
(ROOT (S (VP (VB calorie) (NP (NP (DT A) (NN number)) (PP (IN of) (NP (NN energy) (NNS units))))) (. .)))
calorie A number of energy units.
(ROOT (S (NP (NP (DT Another) (NN unit)) (PP (IN of) (NP (NN energy))) (, ,) (VP (VBN used) (ADVP (RB widely)) (PP (IN in) (NP (NP (DT the) (NN health) (NNS professions)) (CC and) (NP (JJ everyday) (NN life))))) (, ,)) (VP (VBZ is) (ADJP (JJ calorie)) (PRN (-LRB- -LRB-) (NP (NN cal)) (-RRB- -RRB-))) (. ?)))