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.

Context: Beijing mostly referred to as BJ is a diesel-hydraulic locomotive used in the People's Republic of China. It is named after the capital city of China Beijing.BJ were made in two different versions a standard version and a kou'an (port) version.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)Film, 3)MeanOfTransportation, 4)Village, 5)Building
3

Context: CNA Center is a 600-ft (183 m) 44-story high-rise building located at 333 South Wabash Avenue in the Loop Community Area of Chicago.
Question: The document can be classified to which topic? 
Options: 1)Building, 2)OfficeHolder, 3)EducationalInstitution, 4)Village
1

Context: Beijing Enlight Pictures (Chinese: 北京光線影業有限公司) is a Chinese film production company.
Question: The document can be classified to which topic? 
Options: 1)NaturalPlace, 2)Artist, 3)Company, 4)Plant, 5)Animal

3