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: Phryganopsis is a genus of moths in the Arctiidae family.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)Film, 3)EducationalInstitution, 4)Animal, 5)Athlete

A: 4
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Q: 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

A: 3
****
Q: Context: The Karatau Mountains are located in southern Kazakhstan just north of the Syrdaria River and they display a unique geomorphology. The name Karatau means Black Mountain in the Kazakh language. The mountains aside from housing a varied geology contain numerous stone archaeological sites that represent the many stages of cultural evolution from the early Paleolithic Age (1 million BP) to the Neolithic Age (6500 BP).
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Athlete, 3)Animal, 4)Village

A:
1
****