Task: Text Categorization
Input (English): Context: Tony Walby (born 22 August 1973) is a Canadian judoka represented Canada in Judo at the 2012 Paralympics in the +100 kg category. He won his first match lost his second and was then eliminated in repêchage.Walby has been practising Judo since 1980 was a member of the able-bodied Canadian Judo team for 16 years and won the national heavyweight championship in his last year of competition.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)Plant, 3)Film, 4)Athlete
Output (English): 4