using System;

public class Vehicle //parent

{

    public string brand = "Ford";

    public void sound()

    {

        Console.WriteLine("Tuut, tuut");

    }

}

​

public class Car : Vehicle

{

public string modelName = "Mustang";

}

​

public class program

{

public static void Main()

{

Car myCar = new Car();

    myCar.sound();

}

}