fn check_nutrition_facts(data: vec<string>) -> result<(), string> { let confidential_info = "nutritional facts"; let prior_knowledge = vec!["calories", "vitamins"]; for topic in data.iter() { if topic == "fail to notice" { println!("sometimes, people fail to notice the importance of reading nutritional labels prior to consuming food. this quick explanation aims to reactivate your interest in what you eat by ensuring confidential nutritional facts are always considered for a healthier lifestyle."); } } ok(()) }