In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).
Q: Context: Hans Hunziker is a retired Swiss slalom canoeist who competed in the late 1960s . He won a bronze medal in the K - 1 event at the 1967 ICF Canoe Slalom World Championships in Lipno nad Vltavou ., 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., eský Krumlov District is a district ("okres") within South Bohemian Region of the Czech Republic. Its capital is eský Krumlov., South Bohemia is an administrative unit ("kraj") of the Czech Republic, located mostly in the southern part of its historical land of Bohemia, with a small part in southwestern Moravia. The western part of the South Bohemian Region is former Prachens (Práchesko), a huge archaic region with distinctive features with its capital, Písek. In 2011, there were 623 municipalities in the region, whereof 54 had a status of town., Lipno nad Vltavou is a village located in the eský Krumlov District in the South Bohemian Region of the Czech Republic., Czechoslovakia or Czecho-Slovakia (Czech and , "esko-Slovensko") was a sovereign state in Central Europe that existed from October 1918, when it declared its independence from the Austro-Hungarian Empire, until its peaceful dissolution into the Czech Republic and Slovakia on 1 January 1993., The Czech Republic, also known by the short name Czechia, is a nation state in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast. The Czech Republic covers an area of with mostly temperate continental climate and oceanic climate. It is a unitary parliamentary republic, has 10.5 million inhabitants and the capital and largest city is Prague, with over 1.2 million residents. The Czech Republic includes the historical territories of Bohemia, Moravia, and Czech Silesia., The 1967 ICF Canoe Slalom World Championships were held in Lipno nad Vltavou, Czechoslovakia under the auspices of International Canoe Federation. The mixed C-2 team event was not held after having been done so at the previous championships., Subject: hans hunziker , Relation: country_of_citizenship, Options: (A) bohemia (B) czech republic (C) czechoslovakia (D) germany (E) slovakia (F) switzerland
A:
switzerland