Task: Text Categorization
Input (English): Context: Klyuchyovka (Russian: Ключевка) is a river in Perm Krai Russia a right tributary of Aspa River which in turn is a tributary of Iren River. The length of the river is 11 km.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)NaturalPlace, 3)Album, 4)WrittenWork, 5)EducationalInstitution
Output (English): 2