Task: Text Categorization
Input (English): Context: Billed as the largest student union in the world the Oklahoma State University Student Union is a student activity center for meetings conferences meals recreation and shopping for students and alumni on the campus of Oklahoma State University in Stillwater Oklahoma.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Artist, 3)OfficeHolder, 4)Building, 5)MeanOfTransportation
Output (English): 4