Task: Text Categorization
Input (English): Context: William Walker (May 8 1824 – September 12 1860) was an American lawyer journalist and adventurer who organized several private military expeditions into Latin America with the intention of establishing English-speaking colonies under his personal control an enterprise then known as filibustering. Walker became president of the Republic of Nicaragua in 1856 and ruled until 1857 when he was defeated by a coalition of Central American armies.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)Artist, 3)OfficeHolder, 4)Company
Output (English): 3