Task: Text Categorization
Input (English): Context: Badisis is a stilt-legged fly genus with only one known species Badisis ambulans. This is a wingless haltere-less fly with an ant-like appearance. It is only found in the Southwest Australian bioregion of Western Australia.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)OfficeHolder, 3)WrittenWork, 4)Building
Output (English): 1