Original sentence: Harabiš and Polívka gradually developed the "Wallachian Kingdom" into one of the most successful tourist attractions in the Czech Republic.However, in 1997 he began a collaboration with Tomáš Harabiš, who had independently created and officially registered another and equally fictional "Wallachian Kingdom", complete with "passports".In 1993 he had himself crowned as "king" of an entirely fictional Kingdom of Wallachia - named after the genuine region Moravian Wallachia - during one of his TV appearances.Polívka, as a well known comic and popular actor, became an icon of the "Wallachian Kingdom" as the "Wallachian King, Boleslav I the Gracious, Forever".Their working relationship continued amicably up to 2000, when they began an acrimonious dispute over legal ownership of the "kingdom" whose trademark had been registered by Harabiš
Edited sentence: Harabiš and Polívka's partnership made the "Wallachian Kingdom" into one of the most successful tourist attractions in the Czech Republic.However, in 1997 he began a collaboration with Tomáš Harabiš, who had independently created and officially registered another, equally fictional "Wallachian Kingdom", complete with "passports".In a 1993 TV performance he had himself crowned as "king" of an entirely fictional Kingdom of Wallachia - named after the genuine region Moravian Wallachia.Polívka, as a well known comic and popular actor, became the public face of the "Wallachian Kingdom" as the "Wallachian King, Boleslav I the Gracious, Forever".Their working relationship continued amicably up to 2000, but an acrimonious dispute erupted over legal ownership of the "kingdom", whose name had been trademarked Harabiš