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: The Mooi River (Afrikaans: Mooirivier) is a river in North West Province South Africa. It is a tributary of the Vaal River and belongs to the Upper Vaal Water Management Area.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Artist, 3)OfficeHolder, 4)MeanOfTransportation, 5)NaturalPlace
[EX A]: 5

[EX Q]: Context: Don Bosco Preparatory High School (Don Bosco Prep) is a private Roman Catholic secondary school for young men grades 9 through 12. Founded in 1915 as a boarding school for Polish boys by the Salesians of Don Bosco a religious community of priests and brothers the school is situated on a 35 acres (140000 m2) campus in Ramsey New Jersey United States.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)EducationalInstitution, 3)Animal, 4)Film, 5)Album
[EX A]: 2

[EX Q]: Context: ʻElepaio is the peer-reviewed journal of the Hawaii Audubon Society (the Hawaii chapter of the National Audubon Society). It is named after a small Hawaiian bird and is issued nine times a year.
Question: The document can be classified to which topic? 
Options: 1)Village, 2)EducationalInstitution, 3)OfficeHolder, 4)Building, 5)WrittenWork
[EX A]:
5