using System;

​

public class Animal

{

    public virtual string Speak()

    {

        return "Animal";

    }

}

​

public class Cat : Animal

{

    public override string Speak()

    {

        return "Meow!";

    }

}

​

public class Program

{

    public static void Main()

    {

        var Answer = ""; // you fill this in

        var myCat = new Cat();

        var animal = (Animal)myCat;

        if (animal.Speak() == Answer)

        {

            Console.WriteLine("Correct");

        }

        else

        {

            Console.WriteLine("Incorrect");

        }

    }

}