Task: Text Categorization
Input (English): Context: Satoko Tanaka (田中 聡子 Tanaka Satoko born February 3 1942 in Sasebo Nagasaki) is a retired Japanese backstroke swimmer.She won the 1960 Olympic bronze medal in the 100 metre backstroke with a time of 1:11.4.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Plant, 3)Company, 4)OfficeHolder, 5)Building
Output (English): 1