Which sentence in this excerpt from arthur Conan Doyle's the contest show policies lack of knowledge about rules and regulations of his society?

To identify the specific sentence that demonstrates a character's lack of knowledge about rules and regulations, one would need to analyze the excerpt closely. Typically, sentences that depict confusion about societal norms, express misunderstanding of legal or social protocols, or illustrate a character's naive assumptions about the consequences of their actions would highlight this lack of knowledge. Look for phrases that indicate a character's surprise or misinterpretation of expected behavior or rules within the context of the story.