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: 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
[EX A]: 1

[EX Q]: Context: Loxophlebia roseipectus is a moth of the Arctiidae family. It was described by Rothschild in 1931. It is found in Brazil.
Question: The document can be classified to which topic? 
Options: 1)EducationalInstitution, 2)Artist, 3)Animal, 4)Building, 5)Athlete
[EX A]: 3

[EX Q]: Context: Ola High School was a public high school located in Ola Arkansas on 307 W. Hill St. Student teacher ratio was 9.5 to 1. Ola High School was administered by the Two Rivers School District. The school was closed with the establishment of Two Rivers High School.
Question: The document can be classified to which topic? 
Options: 1)OfficeHolder, 2)NaturalPlace, 3)Company, 4)EducationalInstitution
[EX A]:
4