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. Bess Kaiser Hospital -  Bess Kaiser Hospital was a hospital in Portland Oregon United States which closed in 1998.The hospital opened in 1959 and was the first hospital in Kaiser's hospital network. It was named after Henry J. Kaiser's wife Bess. The former location is now occupied by Adidas America Headquarters Salomon North America Inc. and several physicians.
A:
Building