Q:Mark Johnson (footballer) - Mark 'MJ' Johnson (born 23 May 1978) is a former professional Australian rules footballer who played for the Essendon Football Club and Fremantle in the AFL. 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?
A:
Athlete