```cs public override void Select() { Console.WriteLine("Please enter the customer's name."); string CustomerName = Console.ReadLine(); Console.WriteLine("Is this order for delivery? ( Y / N )"); string forDelivery = Console.ReadLine(); void CheckInput(string input) { if (input != "Y" || input != "N") { Console.WriteLine("Invalid input! (Y or N)"); Console.WriteLine("Is this order for delivery? ( Y / N )"); forDelivery = Console.ReadLine(); CheckInput(forDelivery); } else if (input == "N" || input == "Y") { return; } } CheckInput(forDelivery); Order order = new Order(CustomerName, forDelivery); _manager.AddOrder(order); }```