( ( The ( residue description ) ) ( ( must ( contain ( ( non-bonded exclusions ) ( between ( the ( product ( and ( reactant atoms ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (NN residue) (NN description)) (VP (MD must) (VP (VB contain) (NP (NP (JJ non-bonded) (NNS exclusions)) (PP (IN between) (NP (DT the) (NN product) (CC and) (NN reactant) (NNS atoms)))))) (. .)))
The residue description must contain non-bonded exclusions between the product and reactant atoms.
(ROOT (S (NP (NNS Atoms)) (VP (VBP make) (NP (NNS products)) (PP (IN by) (S (VP (VBG rearranging) (NP (PRP$ their) (NN chemical) (NNS bonds)) (PP (IN in) (NP (DT a) (NN reactant))))))) (. .)))