Answer the following question: Reidar Martiniuson - Johan Reidar Martiniuson (4 July 1893 4 June 1968) was a Norwegian sailor who competed in the 1920 Summer Olympics.He was a crew member of the Norwegian boat Sildra which won the gold medal in the 8 metre class (1919 rating). 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