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 Tana River (Finnish: Teno or Tenojoki; Northern Sami: Deatnu; Norwegian: Tanaelva; Swedish: Tana alv) is a 361 kilometres (224 mi) long river in Sapmi area of northern Scandinavia. The river flows through Finnmark county Norway and the Lapland region of Finland. The Sami name means Great River. The main tributaries of Tana are Anarjohka and Karasjohka.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)Company, 3)OfficeHolder, 4)NaturalPlace, 5)Village
4