Given the question: Memorial Union (University of Oklahoma) - The Oklahoma Memorial Union (OMU) is the University of Oklahoma's student union or student activity center. The Union was completed in 1928 as a memorial to the students faculty and staff of the University who fought and died in World War I. The Union has more than 26 meeting and activity rooms and eight dining kiosks. The Meacham Auditorium has 400 seats and the Molly Shi Boren Ballroom on the third floor seats up to 500 banquet guests. 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?
The answer is:
Building