You will be given a definition of a task first, then some input of the task.
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 Kammel is a river in Bavaria southern Germany. The Kammel originates west of Mindelheim in the district Unterallgau and flows generally north. It flows into the Mindel (left tributary) south of Offingen at the Danube east of Gunzburg in the district Gunzburg. So it is an indirect right tributary of the Danube. The difference in altitude between the origin and the mouth is 265 m.
Question: The document can be classified to which topic?
Options: 1)Village, 2)NaturalPlace, 3)EducationalInstitution, 4)Animal, 5)Film
Output:
2