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.

[Q]: 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?
[A]: elemental iron

[Q]: Sentence: Nucleic acids is defined by its sequence of nucleotides. Question: What is defined by its sequence of nucleotides?
[A]: nucleic acids

[Q]: Sentence: Birds and airplanes are aerofoils found. Question: Where are aerofoils found?
[A]:
birds and airplanes