Please answer the following question: Alexandria National Cemetery (Alexandria Virginia) - Alexandria National Cemetery is a United States National Cemetery of approximately 5.5 acres (2.2 ha) located in the city of Alexandria Virginia. It is one of the original national cemeteries that were established in 1862. As of the end of 2005 it was site to 4230 interments. 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