Task: Text Categorization
Input (English): Context: Sergei Sergeyevich Smirnov (Russian: Серге́й Серге́евич Смирнов; born December 17 1981) is a Russian professional footballer. As of 2009 he is a free agent.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)OfficeHolder, 3)Album, 4)Athlete, 5)EducationalInstitution
Output (English): 4