Task: Text Categorization
Input (English): Context: Sirdalsvatnet is a lake in the municipalities of Sirdal and Flekkefjord in Vest-Agder county Norway.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Album, 3)Athlete, 4)OfficeHolder, 5)Village
Output (English): 1