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 Paint Rock River is a 58.7-mile-long (94.5 km) tributary of the Tennessee River in northern Alabama in the United States. Its tributaries also drain a portion of south-central Tennessee.The river is formed in northeastern Jackson County by the confluence of Estill Fork and Hurricane Creek and flows generally southwardly past the town of Paint Rock. In its upper course the river flows through a deep valley cut into the Cumberland Plateau.
Question: The document can be classified to which topic?
Options: 1)Company, 2)NaturalPlace, 3)OfficeHolder, 4)Film, 5)MeanOfTransportation
A:
2