static void Main(string[] args)
        {
            Factory factory = new Factory();
            IPeople people  = factory.GetPeople(PeopleType.URBAN);

            Console.WriteLine(people.GetName());

            people = factory.GetPeople(PeopleType.RURAL);
            Console.WriteLine(people.GetName());

            Console.ReadKey();
        }
        static void Main1()
        {
            Factory factory     = new Factory();
            IPeople ruralPeople = factory.GetPeople(PeopleType.RURAL);

            Console.WriteLine(ruralPeople.GetName());

            IPeople urbanPeople = factory.GetPeople(PeopleType.URBAN);

            Console.WriteLine(urbanPeople.GetName());
            Console.ReadKey();
        }