IRC Morton Hall is an Immigration Removal Centre located in the village of Morton Hall (near Lincoln) in Lincolnshire England. The centre is operated by Her Majesty's Prison Service and was previously a women's prison. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Answer:
Building