def genre_choices( entity_instance ):
    """Choices for the possible movie genres"""
    return [
    ((None),('')),
    (('action'),('Action')),
    (('animation'),('Animation')),
    (('comedy'),('Comedy')),
    (('drama'),('Drama')),
    (('sci-fi'),('Sci-Fi')),
    (('war'),('War')),
    (('thriller'),('Thriller')),
    (('family'),('Family')) ]