( ( A ( chemical substance ) ) ( ( is ( composed ( of ( ( one type ) ( of ( ( atom or ) molecule ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT A) (NN chemical) (NN substance)) (VP (VBZ is) (VP (VBN composed) (PP (IN of) (NP (NP (CD one) (NN type)) (PP (IN of) (NP (NN atom) (CC or) (NN molecule))))))) (. .)))
A chemical substance is composed of one type of atom or molecule .
(ROOT (S (NP (NNP Energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (NP (DT a) (JJ chemical) (NN substance)) (PP (IN between) (NP (NNS atoms))))))) (. .)))
Energy is stored in a chemical substance between atoms.