Task: Text Categorization
Input (English): Context: The Üür River (Mongolian: Үүр гол) is a river in northeastern Khövsgöl mainly in Tsagaan-Üür sum. The river is a tributary of the Eg River.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)Plant, 3)NaturalPlace, 4)Artist, 5)WrittenWork
Output (English): 3