claim: Samsung was separated into four business groups in Italy.
evidence: Vignogn is a former municipality in the district of Surselva in the canton of Graubunden in Switzerland .. Surselva. Surselva ( district ). municipality. municipalities of Switzerland. canton. Cantons of Switzerland. Graubunden. Graubunden. Switzerland. Switzerland. The municipalities of Cumbel , Degen , Lumbrein , Morissen , Suraua , Vignogn , Vella , and Vrin merged on 1 January 2013 into the new municipality of Lumnezia .. Degen. Degen, Switzerland. Lumbrein. Lumbrein. Suraua. Suraua. municipality. municipalities of Switzerland. Cumbel. Cumbel. Morissen. Morissen. Vella. Vella. Vrin. Vrin. Lumnezia. Lumnezia