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: CSG Systems International Inc. also known as CSG International is an American multinational corporation headquartered in the City of Englewood United States. Neal C. Hansen and Dr. George Haddix founded the company in 1994 as CSG Holdings Inc. and took it public on the NASDAQ (CSGS) in 1996. CSG maintains both local and international offices in North America Asia Pacific Europe Latin America the Middle East the Caribbean and Africa.
Question: The document can be classified to which topic? 
Options: 1)MeanOfTransportation, 2)Artist, 3)Company, 4)OfficeHolder, 5)Athlete
[EX A]: 3

[EX Q]: Context: Mount Wilbur (9321 feet (2841 m)) is located in the Lewis Range Glacier National Park in the U.S. state of Montana Plainly visible from the region of Many Glacier the peak rises over 4500 feet (1372 m) above Swiftcurrent Lake and is a steep pyramid on three sides. The west slopes of the peak join to ridges along the continental divide. Much of the climbing routes are rated at class 4 to 5 with some only used once.
Question: The document can be classified to which topic? 
Options: 1)Athlete, 2)Album, 3)WrittenWork, 4)OfficeHolder, 5)NaturalPlace
[EX A]: 5

[EX Q]: Context: The Sărvăzel River is a tributary of the Ier River in Romania.
Question: The document can be classified to which topic? 
Options: 1)WrittenWork, 2)NaturalPlace, 3)Plant, 4)EducationalInstitution, 5)OfficeHolder
[EX A]:
2