Task: Text Categorization
Input (English): Context: Oenothera perennis is a species of herbaceous flowering plant native to the eastern United States and Canada. Its common names include little evening primrose small evening primrose and small sundrops.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)Artist, 3)WrittenWork, 4)Plant
Output (English): 4