static void Main()
        {
            MotorCar car = new MotorCar(new Person("Jenson"),
                                        new Engine {
                Capacity = 1600
            });

            Console.WriteLine(car);
        }
        private static void InMemory()
        {
            MotorCar car = new MotorCar(new Person("Jenson"),
                                        new Engine {
                Capacity = 1600
            });

            Console.WriteLine(car);
        }