( ( Chemical energy ) ( ( is ( stored ( within ( ( the bonds ) ( of ( ( the ( ( atoms and ) molecules ) ) ( that ( ( make up ) ( a substance ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Chemical) (NN energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN within) (NP (NP (DT the) (NNS bonds)) (PP (IN of) (NP (NP (DT the) (NNS atoms) (CC and) (NNS molecules)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (PRT (RP up)) (NP (DT a) (NN substance))))))))))) (. .)))
Chemical energy is stored within the bonds of the atoms and molecules that make up a substance.
(ROOT (S (NP (NNP Chemical) (NN energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (DT the) (NN atom) (NNS bonds))))) (. .)))