Task: Text Categorization
Input (English): Context: The Altai Mountains (Altay Mountains) are a mountain range in East-Central Asia where Russia China Mongolia and Kazakhstan come together and are where the rivers Irtysh and Ob have their headwaters.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)NaturalPlace, 3)MeanOfTransportation, 4)Plant, 5)EducationalInstitution
Output (English): 2