Task: Text Categorization
Input (English): Context: Cephalocereus senilis (Old Man Cactus) is a species of cactus native to Guanajuato and Hidalgo in eastern Mexico. It is threatened in the wild but widespread propagation and popularity in cultivation have reduced the demand on wild populations.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Plant, 3)EducationalInstitution, 4)Film
Output (English): 2