Given the question: Chicago and Northwestern Depot (Sycamore Illinois) - The Chicago and Northwestern Depot also known as ITT-Holub Industries Warehouse is a site on the National Register of Historic Places located in the DeKalb County Illinois city of Sycamore. While the building is historically a rail station it had been converted into a warehouse and storage facility by the late 1970s. It was added to the National Register in 1978. 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