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: Volcanic gases helpe to form the atmosphere on earth. Question: What did volcanic gases help to form on earth?

A: atmosphere
****
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: When amino acids bind together, they form a long chain called a(n) polypeptide, which is an essential component of protein. Question: When amino acids bind together, they form a long chain called what, which is an essential component of protein?

A:
polypeptide
****