instruction:
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.
question:
Sentence: Hydrogen gas is generated by the reaction of nitric acid and elemental iron else. Question: Hydrogen gas is generated by the reaction of nitric acid and what else?
answer:
elemental iron

question:
Sentence: Is the heat of reaction for an endothermic reaction is positive. Question: Is the heat of reaction positive or negative for an endothermic reaction?
answer:
positive

question:
Sentence: Weight is the term for the measure of the force of gravity pulling down on an object. Question: What is the term for the measure of the force of gravity pulling down on an object?
answer:
weight