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: 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
[A]: 5


[Q]: Context: Hyundai Card (현대카드) is a Korean credit card company which was established in 2001. Headquartered in Seoul Korea the company is a joint venture between Hyundai Motor Group and GE Capital.
Question: The document can be classified to which topic? 
Options: 1)Company, 2)Village, 3)Artist, 4)Album
[A]: 1


[Q]: Context: The Billings Estate National Historic Site is an Ottawa museum located 2100 Cabot St. in the former home of one of the region's earliest settlers. The oldest wood framed house in Ottawa was built in 1827-9 by Massachusetts-born Braddish Billings. It became the home for the following four generations of the Billings family. It is Ottawa's oldest surviving house though the Bytown Museum building is older. Billings had moved to the area in 1812 and was the first settler in Gloucester Township.
Question: The document can be classified to which topic? 
Options: 1)Album, 2)MeanOfTransportation, 3)Building, 4)Film, 5)Village
[A]:
3