( It ( ( is ( stored ( as ( ( a chemical ) ( with ( potential energy ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (VP (VBN stored) (PP (IN as) (NP (NP (DT a) (NN chemical)) (PP (IN with) (NP (JJ potential) (NN energy))))))) (. .)))
It is stored as a chemical with potential energy.
(ROOT (S (NP (JJ Potential) (NN energy) (NN energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (DT a) (NN person) (CC or) (NN object))))) (. .)))