Task: Text Categorization
Input (English): Context: Mercury Communications was a national telephone company in the United Kingdom formed in 1981 as a subsidiary of Cable & Wireless to challenge the then-monopoly of British Telecom (BT).
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Athlete, 3)Plant, 4)WrittenWork, 5)Company
Output (English): 5