Task: Text Categorization
Input (English): Context: Rilaena triangularis is a species of the harvestman family Phalangiidae. It is sometimes considered to be in the genus Paraplatybunus in the subfamily Platybuninae.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)MeanOfTransportation, 3)Animal, 4)Village, 5)WrittenWork
Output (English): 3