static void Main(string[] args)
{
var elephant = new Elephant();
var bird = new Bird();
var employee = new Employee(23, "Tom");
var visitor = new Visitor(15, "Bill");
employee.GoToTheZoo();
visitor.GoToTheZoo();
var herb = new Herb();
var birdAviary = new Aviary();
var elephantAviery = new Aviary();
birdAviary.PlaceHerb(herb);
birdAviary.PlaceAnimal(bird);
elephantAviery.PlaceAnimal(elephant);
Console.WriteLine(birdAviary.GetStatus());
employee.FeedAnimal(elephant);
employee.FeedAnimal(bird);
visitor.Observe(elephant);
visitor.Observe(bird);
}
