Task: Text Categorization
Input (English): Context: Calla (Bog Arum Marsh Calla Wild Calla and Water-arum) is a genus of flowering plant in the family Araceae containing the single species Calla palustris. It is native to cool temperate regions of the Northern Hemisphere in central eastern and northern Europe (France and Norway eastward) northern Asia and northern North America (Alaska Canada and northeastern contiguous United States).It is a rhizomatous herbaceous perennial plant growing in bogs and ponds.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)Athlete, 3)Plant, 4)Company, 5)EducationalInstitution
Output (English): 3