*Question*
Rhamnus cathartica (buckthorn common buckthorn or purging buckthorn) is a species in the family Rhamnaceae native to Europe northwest Africa and western Asia from the central British Isles south to Morocco and east to Kyrgyzstan. It was introduced to North America as an ornamental shrub in the early 19th century or perhaps before. 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**
Plant

*Question*
John Marshall Rogers (born June 26 1948 in Rochester New York) is a federal judge on the United States Court of Appeals for the Sixth Circuit. 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**
Office Holder

*Question*
Woodrow Wilson Junior High School is a historic junior high school building located in the Castor Gardens neighborhood of Philadelphia Pennsylvania. It was designed by Irwin T. Catharine and built in 1927-1928. It is a three-story 15-bay brick and limestone building in the Classical Revival style. It features a projecting center entrance pavilion four Doric order columns supporting an entabulature and balustraded parapet. 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

*Question*
CALSTAR (California Shock Trauma Air Rescue) is a nonprofit regional air medical services company serving California and northern Nevada. It is currently the largest nonprofit air ambulance provider on the West Coast. 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**
Company