( Chemical-energy ( ... ( ( is ( ( the energy ) ( ( stored ( due ( to ( ( the bonding ) ( of ( the atoms ) ) ) ) ) ) ( in ( the molecules ) ) ) ) ) . ) ) )
(ROOT (S (NP (NN Chemical-energy)) (: ...) (VP (VBZ is) (NP (NP (DT the) (NN energy)) (VP (VBN stored) (ADJP (JJ due) (PP (TO to) (NP (NP (DT the) (NN bonding)) (PP (IN of) (NP (DT the) (NNS atoms)))))) (PP (IN in) (NP (DT the) (NNS molecules)))))) (. .)))
Chemical-energy ...is the energy stored due to the bonding of the atoms in the molecules.
(ROOT (S (NP (NNP Chemical) (NN energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (DT the) (NN atom) (NNS bonds))))) (. .)))