Task: Text Categorization
Input (English): Context: Sigmundur Davíð Gunnlaugsson (Icelandic pronunciation: [ˈsɪɣmʏntʏr ˈtaːvið ˈkʏnløyxsɔn]; born 12 March 1975) is an Icelandic politician who has been Prime Minister of Iceland since 2013. He has also been chairman of the Progressive Party since 2009. He was elected to the Althing (Iceland's parliament) as the 8th member for the Reykjavík North constituency on 25 April 2009. He currently represents the Northeast Constituency as its 1st member since 27 April 2013.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Building, 3)EducationalInstitution, 4)OfficeHolder, 5)Animal
Output (English): 4