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 Q]: Context: Rusk is a brand of hair care products and devices designed for hair salons. It was founded by Irvine and Rita Rusk.It is now part of Conair Corporation.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)OfficeHolder, 3)Village, 4)Company, 5)MeanOfTransportation
[EX A]: 4

[EX 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
[EX A]: 1

[EX Q]: Context: The University of Pau and Pays de l'Adour (L'Université de Pau et des Pays de l'Adour or UPPA) was founded in 1972. It is a multi-site establishment based in Pau (département of Pyrénées-Atlantiques) but also in Bayonne Tarbes and Mont-de-Marsan in the Adour river basin. Coming administratively under the Academy of Bordeaux it is the third largest university in southwestern France (after Bordeaux and Toulouse) with some 12000 students.
Question: The document can be classified to which topic? 
Options: 1)Plant, 2)NaturalPlace, 3)Album, 4)EducationalInstitution, 5)Village
[EX A]:
4