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: Wolica [vɔˈlit͡sa] is a village in the administrative district of Gmina Szydłów within Staszów County Świętokrzyskie Voivodeship in south-central Poland. It lies approximately 4 kilometres (2 mi) south-west of Szydłów 15 km (9 mi) west of Staszów and 42 km (26 mi) south-east of the regional capital Kielce.The village has a population of 106.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Animal, 3)OfficeHolder, 4)Village, 5)Company
[EX A]: 4

[EX Q]: Context: National Stock Exchange of Australia (NSX) is a stock exchange based in Newcastle Australia. It is owned and operated by NSX Limited which is listed on the Australian Securities Exchange on 13 January 2005. It also operates SIM Venture Securities Exchange.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Film, 3)Animal, 4)WrittenWork
[EX A]:
1