Information:  - The Central Slovenia Statistical Region is a statistical region in central Slovenia. This is the central and most densely populated statistical region in Slovenia; it has the largest number of inhabitants and is the second-largest in terms of territory. The region has a central position and good traffic connections in all directions, and the countrys capital is located in it. As the economically most developed region, in 2012 it generated 27 times more GDP than the Central Sava Statistical Region, or more than a third of the national GDP. In 2012 the region recorded 98 new companies per 10,000 population (the highest number of new companies was recorded in the CoastalKarst Statistical Region; namely, 113 per 10,000 population). At the same time, this region had one of the highest five-year survival rates of new companies (55%). According to the labour migration index (126.0), this region was very labour oriented. That region's importance for employment is also confirmed by the fact that the number of jobs in the region is much larger than the number of employed persons living in it. Earnings of persons employed in this region are the highest in the country: in 2013 the average net earnings in the country amounted to EUR 997, whereas in this region they were over EUR 90 higher. The education potential of the region is also shown by the share of people with post-secondary education between ages 25 and 64, which was the highest among the statistical regions.  - Miloslav Duffek is a former Czechoslovak - Swiss slalom canoeist who competed from the early 1950s to the mid- 1960s . He won a silver medal in the folding K - 1 event at the 1955 ICF Canoe Slalom World Championships in Tacen . Duffek popularized the bow draw stroke , aka `` Duffek Stroke '' , as an effective means of pivoting a kayak . Before the bow stroke was popularized , only forward and reverse sweep strokes were generally used to turn a kayak . The Duffek Stroke turned a multi-stroke operation into a single stroke , which could then be combined with a forward stroke to continue momentum .  - The 1955 ICF Canoe Slalom World Championships were held in Tacen, Yugoslavia (now in Slovenia) under the auspices of International Canoe Federation. The Mixed C-2 event debuted at these championships.  - Slovenia, officially the Republic of Slovenia (Slovene: , abbr.: "RS"), is a nation state in southern Central Europe, located at the crossroads of main European cultural and trade routes. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the south and southeast, and the Adriatic Sea to the southwest. It covers and has a population of 2.06 million. It is a parliamentary republic and a member of the United Nations, European Union, and NATO. The capital and largest city is Ljubljana.  - Upper Carniola  is a traditional region of Slovenia, the northern mountainous part of the larger Carniola region. The centre of the region is Kranj, while other urban centers include Jesenice, Trži, Škofja Loka, Kamnik, and Domžale. It has around 300,000 inhabitants or 14% of the population of Slovenia.  - The International Canoe Federation (ICF) is the umbrella organization of all national canoe organizations worldwide. It is headquartered in Lausanne, Switzerland, and administers all aspects of canoe sport worldwide. 157 countries are affiliated with the ICF after seven national federations were added at the 2008 ICF Congress in Rome.  - Tacen (in older sources also "Tacenj") is a formerly independent settlement in the northwest part of the capital Ljubljana in central Slovenia. It was part of the traditional region of Upper Carniola and is now included with the rest of the municipality in the Central Slovenia Statistical Region. It includes the hamlets of Na Grškem, Sige, V Bregu (or Breg), and Šmarna Gora.  - Yugoslavia (/, ) was a country in Southeast Europe during most of the 20th century. It came into existence after World War I in 1918 under the name of the Kingdom of Serbs, Croats and Slovenes by the merger of the provisional State of Slovenes, Croats and Serbs (itself formed from territories of the former Austro-Hungarian Empire) with the formerly independent Kingdom of Serbia. The Serbian royal House of Karaorevi became the Yugoslav royal dynasty. Yugoslavia gained international recognition on 13 July 1922 at the Conference of Ambassadors in Paris. The country was named after the South Slavic peoples and constituted their first union, following centuries in which the territories had been part of the Ottoman Empire and Austria-Hungary.  - Ljubljana (; also known by other alternative names) is the capital and largest city of Slovenia. During antiquity, it was the site of a Roman city called Emona. It was under Habsburg rule from the Middle Ages until the dissolution of the Austro-Hungarian Empire in 1918.    Given the information above, choose from the list below the object entity that exhibits the relation 'country of citizenship' with the subject 'miloslav duffek'.  Choices: - austria  - carniola  - croats  - kingdom of serbia  - serbia  - slovene  - slovenia  - switzerland  - yugoslavia
switzerland