Improvement of code that is required

public static class Program
{
   static void Main(string[] args)
   {
      #region Assessment A
      // the below class declarations looks like a 1st year student developed it
      // IMPROVE THE ARCHITECTURE 
      Human human = new Human();
      human.Name = "John";
      human.Age = 35;
      human.Gender = "M";
      Console.WriteLine(human.GetDetails());

      Dog dog = new Dog();
      dog.Name = "Walter";
      dog.Age = 7;
      dog.Food = "Epol";
      Console.WriteLine(dog.GetDetails());

      Cat cat = new Cat();
      cat.Name = "Snowball";
      cat.Age = 35;
      cat.Food = "Whiskers";
      Console.WriteLine(cat.GetDetails());

      #endregion
   }
}