41 organization of competitions (education or entertainment); edition of texts; edition of computer software; edition of compact discs (read only memory) or digital optical discs; rental of sound recordings; film production; video tape film production; publication of books; television entertainment; rental of video tapes, of phonographic recorders; arranging and conducting of colloquiums; arranging and conducting of conferences; arranging and conducting of congresses; computer software design; educational services; practical training (demonstration); amusements; sporting and cultural activities