Q: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Context: The Uur River (Mongolian: ) is a river in northeastern Khovsgol mainly in Tsagaan-Uur 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
A:
3