Question: Horn is a municipality in the district of Arbon in the canton of what and is also a northeast canton of Switzerland?

full_context: Document 1: Romanshorn: Romanshorn is a municipality in the district of Arbon in the canton of Thurgau in Switzerland.
Document 2: Nyon: Nyon ] is a municipality in the district of Nyon in the canton of Vaud in Switzerland. It is located some 25 kilometers north east of Geneva's city centre, and since the 1970s it has become part of the Geneva metropolitan area. It lies on the shores of Lake Geneva and is the seat of the district of Nyon. The town has (as of December 2016 ) a population of . It is connected to the rest of Switzerland by way of the Route Suisse, the A1 Motorway and the railways of the "Arc Lémanique".
Document 3: Hefenhofen: Hefenhofen is a municipality in the district of Arbon in the canton of Thurgau in Switzerland.
Document 4: Thal, Styria: Thal (] ) is a small village in Austria about 3.2 km west from the edge of Graz, Austria's second largest city. Its population in the 2014 census was 2,240. It is the birthplace of actor, bodybuilder, and the 38th Governor of California Arnold Schwarzenegger, who lived in Thal until 1966 at age 19. On July 2011, Schwarzenegger opened his childhood house as the Arnold Schwarzenegger Museum. It also boasts a modern church.
Document 5: Salmsach: Salmsach is a municipality in the district of Arbon in the canton of Thurgau in Switzerland.
Document 6: Sommeri: Sommeri is a municipality in the district of Arbon in the canton of Thurgau in Switzerland.
Document 7: Arbon Castle: Arbon Castle is a former castle and now the "Historisches Museum Arbon" (Arbon History Museum) located in the municipality of Arbon of the Canton of Thurgau in Switzerland. It is a Swiss heritage site of national significance.
Document 8: Arbon District: Arbon District is one of the five districts of the canton of Thurgau in Switzerland. It has a population of (as of 31 December 2016 ). Its capital is the town of Arbon.
Document 9: Schaffhausen: Schaffhausen (] ; Alemannic German: "Schafuuse" ; French: "Schaffhouse" ; Italian: "Sciaffusa" ; Romansh: "Schaffusa" ; English: Shaffhouse ) is a town with historic roots, a municipality in northern Switzerland, and the capital of the canton of the same name; it has an estimated population of 36,000 as of December 2016 . It is located right next to the shore of the High Rhine; it is one of four Swiss towns – besides Neuhausen a. Rhf., the historic Neunkirch and Stein a. Rh. – that is located on the northern side of the Rhine.
Document 10: FC Thun: FC Thun ("Fussballclub Thun 1898") is a Swiss football team from the Bernese Oberland town of Thun. The club currently plays in the Swiss Super League after being promoted in the 2009/10 season. The club plays at the Stockhorn Arena which accommodates a total of 10,000 supporters, both seated and standing. The club's colours are red and white.
Document 11: Horn, Switzerland: Horn is a municipality in the district of Arbon in the canton of Thurgau in Switzerland. Horn is an exclave of Thurgau, enclaved in the canton of St. Gallen.
Document 12: Chur Wiesental (Rhaetian Railway station): Chur Wiesental is a railway station in the northern part of the town of Chur, the capital of the Swiss canton of Grisons. The station is on the Rhaetian Railway's single-track metre gauge line between Chur and Landquart, and has one side platform. The two-track SBB line runs parallel but has no intermediate stops between Chur and Landquart.
Document 13: Arbon: Arbon is a historic and statistic town and a municipality and district capital of the district of Arbon in the canton of Thurgau in Switzerland.
Document 14: Chur: Chur or Coire (] or ] ; Romansh: "Cuira" ] or ] ; Italian: "Coira" ] ; French: "Coire" ] ) is the capital and largest town of the Swiss canton of Grisons and lies in the Grisonian Rhine Valley, where the Rhine turns towards the north, in the northern part of the canton. The city, which is located on the right bank of the Rhine, is reputedly the oldest town of Switzerland.
Document 15: Thurgau: The Canton of Thurgau (German:    , anglicized as Thurgovia) is a northeast canton of Switzerland.
ground_truth: Thurgau