Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. MS Wind Perfection -  MS Wind Perfection is an accommodation ship owned and operated by C-bed. She was built in 1982 as MS Olau Britannia by Weser Seebeckswerft in Bremerhaven for Olau Line who used her on Sheerness—Vlissingen service. In 1990 she was sold to Fred. Olsen Lines and renamed MS Bayard for services between Norway and Denmark. In 1991 Fred. Olsen Lines was sold to Color Line and the Bayard passed under their ownership under the name MS Christian IV.
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