static void Main(string[] args)
{
//Test 1
Car car1 = new Car();
car1.DescribeCar();
ConvertibleCar car2 = new ConvertibleCar();
car2.DescribeCar();
Minivan car3 = new Minivan();
car3.DescribeCar();
//Test 2
//Car car4 = new ConvertibleCar();
//Car car5 = new Minivan();
//car4.ShowDetails();
//car5.ShowDetails();
ConvertibleCar car4 = new ConvertibleCar();
Car car5 = new Minivan();
car4.ShowDetails();
car5.ShowDetails();
}