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: Slim Devices Inc. is a consumer electronics company based in Mountain View California United States. Their main product is the Squeezebox network music player which connects to a home ethernet or Wi-Fi network and allows the owner to stream digital audio over the network to a stereo.
Question: The document can be classified to which topic?
Options: 1)Company, 2)Plant, 3)Building, 4)Film
[EX A]: 1

[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: The Wu-Tang Manual is a guide to the Wu-Tang Clan written by prominent member and producer RZA. The manual explains Wu-Tang terms Wu-Tang members merchandise movies and inspirations.
Question: The document can be classified to which topic?
Options: 1)Plant, 2)Album, 3)Animal, 4)WrittenWork, 5)EducationalInstitution
[EX A]:
4