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 Guferhorn is a mountain in the Lepontine Alps located between the valleys of Vals and Hinterrhein in Graubunden. At 3379 metres above sea level it is the highest summit of the Lepontine Alps lying east of the Rheinwaldhorn. The northern side of the massif is covered by the Gufergletscher a 2 kilometres long glacier.
Question: The document can be classified to which topic?
Options: 1)Album, 2)NaturalPlace, 3)OfficeHolder, 4)Athlete, 5)Artist
Output:
2