Task: Text Categorization
Input (English): Context: Westraltrachia inopinata is a species of air-breathing land snails a terrestrial pulmonate gastropod mollusk in the family Camaenidae.This species is endemic to Australia.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Artist, 3)Album, 4)NaturalPlace
Output (English): 1