Task: Text Categorization
Input (English): Context: Melilotus altissimus or tall melilot is a plant species of the genus Melilotus. This plant comes in many types of forms. They are found in Asia Europe Egypt and now they are found worldwide. They are a long stalk like plant with green leaves and stems that shoot out of the ground.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Artist, 3)NaturalPlace, 4)Plant, 5)Athlete
Output (English): 4