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: Lake Lagunitas is a reservoir on Lagunitas Creek in Marin County California.It is one of seven reservoirs providing potable water to the Marin Municipal Water District. Built in 1873 it is the oldest and smallest lake in the Mount Tamalpais watershed.[citation needed]
Question: The document can be classified to which topic?
Options: 1)WrittenWork, 2)Animal, 3)Company, 4)NaturalPlace
[A]: 4

[Q]: 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
[A]: 1

[Q]: Context: Paul Wurdig (born 30 November 1980) better known as Sido is a German rapper.Wurdig distinguishes himself by using provocative and aggressive lyrics. After his breakthrough with his debut album Maske in 2004 Wurdig was always seen wearing a silver skull mask.
Question: The document can be classified to which topic?
Options: 1)Company, 2)EducationalInstitution, 3)Artist, 4)Village, 5)Album
[A]:
3