Definition: In this task, you are given a text which is the body of a document. You are given a question and options. Pick the correct number. Don't generate anything else apart from the numbers provided in options.
Input: 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

3