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: Klyuchyovka (Russian: ) 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
A:
2