static void Main(string[] args)
{
IFactory factory = new DefaultFactory();
factory.MakeBanner().ShowWhichUiIAm();
factory.MakeMenu().ShowWhichUiIAm();
factory.MakePopup().ShowWhichUiIAm();
factory = new FestivalFactory();
factory.MakeBanner().ShowWhichUiIAm();
factory.MakeMenu().ShowWhichUiIAm();
factory.MakePopup().ShowWhichUiIAm();
Console.ReadLine();
}