Please answer the following question: HM Prison Moorland - HM Prison Moorland (formerly HM Prison Moorland Closed) is a Category C men's prison and Young Offenders Institution near Hatfield Woodhouse in South Yorkshire England. The prison is operated by Her Majesty's Prison Service and is jointly managed with the nearby Hatfield Prison. 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