Detailed Instructions: 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.
Problem:Context: Willow Beach Gauging Station is a gauging station located within Lake Mead National Recreation Area. The Willow Beach Gauging Station was listed in the National Register of Historic Places on March 21 1986.The cables catwalk trail and gauging station that are listed in the register are located on the Colorado River north of Willow Beach between Lake Mead and Lake Mohave.
Question: The document can be classified to which topic?
Options: 1)Athlete, 2)Film, 3)Company, 4)Building
Solution:
4