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: Double Mountains is the name of a pair of flat-topped buttes located 13 miles (21 km) southwest of Aspermont in Stonewall County Texas. While the Handbook of Texas gives their elevation as either 2000 ft (610 m) or 2400 ft (732 m) United States Geological Survey maps give the elevation of the western mountain as 2523 ft (769 m) and that of the eastern mountain as between 2580 ft (786 m) and 2600 ft (792 m).
Question: The document can be classified to which topic?
Options: 1)Animal, 2)NaturalPlace, 3)Album, 4)Plant, 5)Artist
A:
2