Arranging and conducting of business and educational conferences; arranging and conducting of conventions; arranging and conducting of seminars; news reporter services; providing amusement facilities; film production, other than advertising films; arranging and conducting of professional workshop and training courses; vocational guidance; entertainment and educational club services in the field of marketing; professional coaching services in the field of marketing; organization of sports competitions; entertainer services, namely, live, televised, and movie appearances by a professional entertainer; organization of concerts, plays, or opera shows; presentation of live performance shows; publication of books; multimedia publishing of books and journals and electronic publications