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: Kastolatsi is a village in Otepaa Parish Valga County in southeastern Estonia. It has a population of 65 (as of 7 February 2008).
Question: The document can be classified to which topic?
Options: 1)Artist, 2)OfficeHolder, 3)NaturalPlace, 4)Village, 5)MeanOfTransportation
4

Context: Greve Lake (Spanish: Lago Greve) is an ice dammed lake in Chile formed by the advance of Bruggen Glacier. It is fed by several glaciers. Lautaro volcano is located in its vicinity.
Question: The document can be classified to which topic?
Options: 1)Plant, 2)NaturalPlace, 3)WrittenWork, 4)Building, 5)Artist
2

Context: Nevado Sajama is an extinct stratovolcano and the highest peak in Bolivia. The mountain is located in the Oruro Department Sajama Province Curahuara de Carangas Municipality Sajama Canton. It is situated in the Sajama National Park in the southwest area of the country some 1624 km (10-15 mi) from the border with Chile. The peak is an isolated cone but is geologically complex with lava domes of andesitic and rhyodactic composition overlain by an andesitic stratovolcano.
Question: The document can be classified to which topic?
Options: 1)WrittenWork, 2)Building, 3)EducationalInstitution, 4)NaturalPlace, 5)MeanOfTransportation
4