Task: Text Categorization
Input (English): Context: Joseph C. Brannigan is an American social worker and politician from Maine. Brannigan served as a Democratic State Senator from Maine's 10th District representing part of Portland and Westbrook. Prior to joining the State Senate he represented part of suburban Portland in District 117 from 2000 to 2006 in the Maine House of Representatives.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)WrittenWork, 3)NaturalPlace, 4)Animal, 5)OfficeHolder
Output (English): 5