advertising and business and more specifically services provided by a franchisor to give assistance in the exploitation and direction of a commercial enterprise, aid in the exploitation of the management of a restaurant, dissemination of advertising materials (leaflets, prospectuses, printed matter, samples), business information, market research, business research, market studies, business estimates, personnel hiring; franchisor providing instruction as to the transfert of know-how, and granting of licences ; cafes-restaurants, cafeterias, professional consultations in the area of the culinary arts, hotel services, restaurants, self service restaurants, catering services