Task: Text Categorization
Input (English): Context: Silver City Airways was a private British independent airline formed in 1946. The name Silver City was derived from the eponymous Australian mining town at Broken Hill where The Zinc Corporation was headquartered. Silver City's first commercial flight departed London Heathrow for Sydney via Johannesburg in late 1946.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Album, 3)Company, 4)Film
Output (English): 3