Task: Text Categorization
Input (English): Context: John Proos (born December 10 1969) is a Republican Senator representing the 21st district in the Michigan Senate. He previously served as the representative for the 79th District in the Michigan House of Representatives.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Film, 3)Artist, 4)OfficeHolder, 5)Athlete
Output (English): 4