private static void ChangeMatrixFilmType()
{
var film = domainService.GetFilmByName("Matrix");
Console.WriteLine(String.Format("{0} film type from {1} to {2}", film.Name, film.Type, FilmType.RegularFilms));
film = domainService.ChangeFilmType(film.Name, FilmType.RegularFilms);
ShowFilm(film);
}