Task: Text Categorization
Input (English): Context: Fort Yellowstone was a U.S. Army fort established in 1891 at Mammoth Hot Springs in Yellowstone National Park. Yellowstone was designated in 1872 but the Interior Department was unable to effectively manage the park. Administration was transferred to the War Department in August 1886 and General Philip Sheridan sent a company of cavalry to Mammoth Hot Springs to build a cavalry post.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)OfficeHolder, 3)Animal, 4)Building, 5)Plant
Output (English): 4