Standard Plaza - Standard Plaza is a 16-story office building in downtown Portland in the U.S. state of Oregon. At 222 feet (68 m) in height it was the largest office building in Oregon when it was completed in 1963. The 217000-square-foot (20200 m2) structure occupying a city block on SW 6th Avenue between Main Street and Madison Street is owned by Standard Insurance Company which also owns the neighboring Standard Insurance Center. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Building