using System;

​

namespace Test {

    public class Test

    {

        public static void Main()

        {

            var car = new Car();

            var truck = new Truck();

            Console.Write("Car is: ");

            car.Drive();

            Console.Write("Truck is: ");

            truck.Drive();

        }

    }

    public class Vehicle {

        public string Key { get; set;}

        public string Manufacturer { get; set;}

        public string VIN { get; set;}

        public void Drive(){

            Console.WriteLine("Driving ...");

        }

    }

​

    public class Car : Vehicle {

        public string ModelName { get; set;}

        public string TrimCode { get; set;}

        // method Drive() will be inherited

    }

​

    public class Truck : Vehicle {

        public string Axies { get; set;}

        public string Tonnage { get; set;}

        // method Drive() will be inherited

    }

}