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.

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

A: 3
****
Q: Context: The Saint Abroad is a collection of two mystery novellas by Fleming Lee continuing the adventures of the sleuth Simon Templar aka The Saint created by Leslie Charteris.
Question: The document can be classified to which topic? 
Options: 1)Film, 2)MeanOfTransportation, 3)Album, 4)WrittenWork, 5)Artist

A: 4
****
Q: Context: SS Maximilianos was the first Greek-built steamship completed in 1837 at the Poros Naval Shipyard. It was an unarmed 180-ton steamer used for auxiliary Navy duties and mail services. The Poros Naval Shipyard undertook construction of a large number of ships for the Greek Navy until the 1880s when Greece's main Naval base was transferred to Salamina.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)EducationalInstitution, 3)Plant, 4)Athlete, 5)Album

A:
1
****