Task: Text Categorization
Input (English): Context: Our Final Invention: Artificial Intelligence and the End of the Human Era (2013) is a non-fiction book by American author James Barrat. The book discusses the potential benefits and possible risks of human-level or super-human artificial intelligence. Those purported risks include extermination of the human race.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)WrittenWork, 3)Film, 4)Athlete, 5)Company
Output (English): 2