Detailed Instructions: 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.
Problem:Context: The Kzlrmak (Turkish for Red River) also known as the Halys River (Ancient Greek: ) is the longest river in Turkey among the rivers which originates and ends in Turkey (both origin and mouth being in Turkey). It is a source of hydroelectric power and is not used for navigation.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)Film, 3)EducationalInstitution, 4)Plant, 5)Animal
Solution:
1