Task: Text Categorization
Input (English): Context: George Mifflin Dallas (July 10 1792 – December 31 1864) was a U.S. Senator from Pennsylvania (1831–1833) and the 11th Vice President of the United States (1845–1849) serving under President James K. Polk. Dallas also served as the Mayor of Philadelphia from 1828–1829.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)OfficeHolder, 3)Athlete, 4)Animal, 5)Artist
Output (English): 2