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: 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: Sword Art Online (ソードアート・オンライン Sōdo Āto Onrain) is a Japanese light novel series written by Reki Kawahara and illustrated by abec. The series takes place in the near-future and focuses on various virtual reality MMORPG worlds. The light novels began publication on ASCII Media Works' Dengeki Bunko label from April 10 2009 with a spin-off series launching in October 2012 and are licensed in North America by Yen Press. The series has spawned five manga adaptations.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)NaturalPlace, 3)Company, 4)WrittenWork, 5)Plant
[EX A]: 4

[EX Q]: Context: Dr. K. S. Narasimhaswamy (26 January 1915 – 27 December 2003) was a prominent Indian poet in the Kannada language. His most popular collection of poems Mysooru Mallige has seen more than thirty two reprints and sought as an ideal gift for newly married couples in Karnataka. Narasimhaswamy has been conferred many prestigious awards including Sahitya academy award and Kannada sahitya academy award.
Question: The document can be classified to which topic? 
Options: 1)Animal, 2)Company, 3)Artist, 4)Athlete
[EX A]:
3