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 Input:
Context: The Pietris River is a tributary of the Cosna River in Romania.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)Athlete, 3)MeanOfTransportation, 4)Animal, 5)Album

Ex Output:
1

Ex Input:
Context: Greve Lake (Spanish: Lago Greve) is an ice dammed lake in Chile formed by the advance of Bruggen Glacier. It is fed by several glaciers. Lautaro volcano is located in its vicinity.
Question: The document can be classified to which topic?
Options: 1)Plant, 2)NaturalPlace, 3)WrittenWork, 4)Building, 5)Artist

Ex Output:
2

Ex Input:
Context: Manchester Communication Academy is a secondary school in Harpurhey Manchester which opened in September 2010 and specialises in communication-related subjects including speaking and listening languages drama media and presentation skills and information communication technology.
Question: The document can be classified to which topic?
Options: 1)NaturalPlace, 2)OfficeHolder, 3)EducationalInstitution, 4)Animal, 5)MeanOfTransportation

Ex Output:
3