Task: Text Categorization
Input (English): Context: Marian Zeciu (born on 25 February 1977 in Bucharest Romania) is a retired Armenian footballer who played as a defender. Zeciu was a member of Armenia national football team participating in 7 international matches.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)EducationalInstitution, 3)Athlete, 4)OfficeHolder, 5)Artist
Output (English): 3