using System;

​

public abstract class Animal

{

    public string EyeColor{ get; set; }

    public abstract void whatisyourfood();

}

​

public class Cat:Animal

{

    public override void whatisyourfood()

    {

        Console.WriteLine("whiskas");

    }

    public Cat(string color){ EyeColor=color; }

}

​

public class Lion:Animal

{

    public override void whatisyourfood()

    {

        Console.WriteLine("zebras");

    }

    public Lion(string color){ EyeColor=color; }

}

public class Program

{

    public static void Main()

    {

        Cat Tom = new Cat("green");

        Console.WriteLine( Tom.EyeColor );

        Lion Tim = new Lion("red");

        Console.WriteLine( Tim.EyeColor );

    }

}