Please answer the following question: Princess of Sylmar (foaled 27 March 2010) is an American-bred Thoroughbred racehorse. In 2013 she appeared to have established herself as the leading American filly of her generation with Grade I wins in the Kentucky Oaks Coaching Club American Oaks and Alabama Stakes. 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:
Animal