Read the excerpt and answer the question. The good Missionary disgusted with this idle Tale, said, What I delivered to you were sacred Truths, but what you tell me is mere Fable, Fiction and Falsehood. The Indian offended, reply'd, My Brother, it seems your Friends have not done you Justice in your Education, they have not well instructed you in the Rules of common Civility. You saw that we who understand and practise those Rules, believ'd all your Stories: Why do you refuse to believe ours? How does Franklin use irony in this excerpt from Remarks Concerning the Savages of North America?