Please answer the following question: Naoyuki Kotani - Naoyuki Kotani (born December 8 1981) is a Japanese mixed martial artist who competes in the lightweight division. He has fought in a number of different organizations including the Pride Fighting Championships and the Ultimate Fighting Championship. 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:
Athlete