Please answer the following question: Mystiko (horse) - Mystiko (foaled 1988) was an American-bred British-trained Thoroughbred racehorse and sire. In a career that lasted from July 1990 to October 1992 he ran thirteen times and won four races all of them at Newmarket. After taking the European Free Handicap on his first appearance as a three-year-old he recorded his most important success when winning the 2000 Guineas seventeen days later. His subsequent form was disappointing although he did win the Challenge Stakes that autumn. 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:
Animal