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.

[EX Q]: Context: Sorkh Degar (Persian: سرخ دگار‎ also Romanized as Sorkh Degār; also known as Sorkh Dagān Sorkh Degāl Sorkh Dekāl and Sorkh Dogān) is a village in Kahnuk Rural District Irandegan District Khash County Sistan and Baluchestan Province Iran. At the 2006 census its population was 16 in 5 families.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Athlete, 3)WrittenWork, 4)Village, 5)Plant
[EX A]: 4

[EX Q]: Context: The Piracuruca River is a river of Piauí state in northeastern Brazil.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)Animal, 3)NaturalPlace, 4)OfficeHolder, 5)WrittenWork
[EX A]: 3

[EX Q]: Context: Learning Perl also known as the llama book is a tutorial book for the Perl programming language and is published by O'Reilly Media. The first edition (1993) was authored solely by Randal L. Schwartz and covered Perl 4. All subsequent editions have covered Perl 5. The second (1997) edition was coauthored with Tom Christiansen and the third (2001) edition was coauthored with Tom Phoenix.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)MeanOfTransportation, 3)Film, 4)NaturalPlace, 5)WrittenWork
[EX A]:
5