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.

Input: Consider Input: Context: Nasutitermes walkeri commonly known as the niggerhead termite or tree termite is a species of arboreal termite found in eastern New South Wales and southeastern Queensland Australia.
Question: The document can be classified to which topic? 
Options: 1)Artist, 2)Building, 3)Animal, 4)Company, 5)Film

Output: 3


Input: Consider Input: Context: The Metropolitan Transit Authority of Black Hawk County marketed as MET Transit is the primary provider of mass transportation in the cities of Waterloo and Cedar Falls Iowa. The agency was founded in 1972 after the private National City Lines which had operated public transit under contract from the city pulled out of providing fixed routes which led to the city directly taking over this service.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)MeanOfTransportation, 3)Village, 4)Artist, 5)EducationalInstitution

Output: 1


Input: Consider Input: Context: Greve Lake (Spanish: Lago Greve) is an ice dammed lake in Chile formed by the advance of Brüggen 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


Output: 2