Oregon Convention Center -  The Oregon Convention Center is a convention center in Portland Oregon. Opened in 1990 it located on the east side of the Willamette River in the Lloyd District neighborhood. It is best known for the twin spire towers which provide light into the building's interior and for housing the world's largest Foucault Pendulum. 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?
Answer:
Building