Task: Text Categorization
Input (English): Context: William H. Walker (July 25 1847 – June 25 1913) was a Canadian politician.Born in Ochiltree Manse Ayrshire Scotland Walker emigrated to Canada in 1858. Walker was elected to the Legislative Assembly of Quebec for Huntingdon in 1900. A Liberal he was acclaimed in 1904 and 1908. He was re-elected in 1912.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)OfficeHolder, 3)Athlete, 4)Artist
Output (English): 2