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.

[Q]: Context: The Meta River is a major left tributary of the Orinoco River in eastern Colombia and western Venezuela South America. It is formed in the Meta Department Colombia by the confluence of the Humea Guatiquia and Guayuriba rivers. It flows east-northeastward across the Llanos Orientales plains of Colombia through an ancient fault.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)Village, 3)MeanOfTransportation, 4)Company, 5)EducationalInstitution
[A]: 1

[Q]: Context: Mount Wilbur (9321 feet (2841 m)) is located in the Lewis Range Glacier National Park in the U.S. state of Montana Plainly visible from the region of Many Glacier the peak rises over 4500 feet (1372 m) above Swiftcurrent Lake and is a steep pyramid on three sides. The west slopes of the peak join to ridges along the continental divide. Much of the climbing routes are rated at class 4 to 5 with some only used once.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)Album, 3)WrittenWork, 4)OfficeHolder, 5)NaturalPlace
[A]: 5

[Q]: Context: Tangi Sar (Persian: also Romanized as Tangi Sar and Tangisar; also known as Tangeh Sar) is a village in Gavrud Rural District Muchesh District Kamyaran County Kurdistan Province Iran. At the 2006 census its population was 1412 in 356 families.
Question: The document can be classified to which topic?
Options: 1)Building, 2)Village, 3)WrittenWork, 4)Album
[A]:
2