public static void Main() { Beverage beverage = new Expresso(); Console.WriteLine(beverage.ToString()); Beverage beverage2 = new DarkRoast(); beverage2 = new Mocha(beverage2); beverage2 = new Mocha(beverage2); beverage2 = new Whip(beverage2); Console.WriteLine(beverage2.ToString()); Beverage beverage3 = new HouseBlend { Size = BeverageSize.Venti }; beverage3 = new Soy(beverage3); beverage3 = new Mocha(beverage3); beverage3 = new Whip(beverage3); Console.WriteLine(beverage3.ToString()); }