Answer the following question: United States Post Office (Hudson Falls New York) -  US Post Office-Hudson Falls is a historic post office building located at Hudson Falls in Washington County New York. It was designed and built 1935-1936 and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department under Louis A. Simon. The building is in the Colonial Revival style and is a one hand one half story five bay steel frame building clad in red brick. 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