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.

Context: The Pyshma (Russian: Пышма) is a river in Sverdlovsk and Tyumen Oblasts of Russia. It is a tributary of the Tura and is 603-kilometer (375 mi) long with a drainage basin of 19700 square kilometers (7600 sq mi).The Pyshma has its sources at 290 meters AMSL on the eastern side of the Ural Mountains near the town of Verkhnyaya Pyshma just north of Yekaterinburg.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Village, 3)NaturalPlace, 4)OfficeHolder
3

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
3

Context: Bufoides is a genus of true toads; the only known species is the Mawblang toad or Khasi Hills toad M. meghalayanus. It is native to Cherrapunji and Khasi Hills in northeastern India.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Animal, 3)Building, 4)Athlete

2