( ( Identify ( ( the ( ( reactants and ) products ) ) ( in ( a ( chemical equation ) ) ) ) ) . )
(ROOT (S (VP (VB Identify) (NP (NP (DT the) (NNS reactants) (CC and) (NNS products)) (PP (IN in) (NP (DT a) (NN chemical) (NN equation))))) (. .)))
Identify the reactants and products in a chemical equation.
(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))))))) (. .)))