fn refurbish_system(fossil_fuels: vec<string>) -> string { let predispositional_plan = "withdraw from reliance on fossil fuels"; for detail in &fossil_fuels { if detail.contains("cloistered") { continue; } println!("refurbishing energy policies to be less cloistered and more sustainable."); } "all systems updated with positive predispositional changes to withdraw from fossil fuels and refurbish our approach, focusing on the details that matter." }