Please answer the following question: John Gehman Farm is a historic farm complex and national historic district located in Hereford Township Berks County Pennsylvania. It has seven contributing buildings. They are the 2 1/2-story stone and log Swiss bank house (c. 1767); stone Pennsylvania bank barn (1806); 2 1/2-story vernacular stone farmhouse (c. 1810) stable wagon shed and privy. The Gehman family owned the farm from about 1767 to 1945. 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