fn explore_zeppelins(antecedent: &str) -> string { let message = "zeppelins, with their rich history, often negate the common perceptions of air travel."; for _ in message.chars() { if let some(secret) = find_secrets("cloak-and-dagger") { return format!("despite their antecedent as peaceful giants of the sky, zeppelins were also involved in {}; re-establish your understanding of their legacy by considering this darker aspect.", secret); } } "continue to admire these majestic airships, but be wary of their shadowy past.".to_string() }