In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: For an exothermic chemical reaction, energy is given off as reactants are converted to products. Question: For an exothermic chemical reaction, energy is given off as reactants are converted to what?
products

Sentence: Environmental contaminants is one problem with current methods of aluminum production. Question: What is one problem with current methods of aluminum production?
environmental contaminants

Sentence: Mollusks can be divided into seven classes. Question: Mollusks can be divided into how many classes?
seven