You will be given a definition of a task first, then some input of the task.
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: Thornhill Mayne Memorial also known as Allahabad Public Library is a public library situated at Alfred Park in Allahabad. Designed by Richard Roskell Bayne and completed in 1870 it is a remarkable example of Scottish Baronial architecture. It was funded by Commissioner of Allahabad Mr. Mayne and was opened as a memorial to Cuthbert Bensley Thornhill. The monument has served as the house of legislative assembly in British era when Allahabad was the capital of United Provinces.
Question: The document can be classified to which topic?
Options: 1)Animal, 2)Company, 3)Building, 4)EducationalInstitution
Output:
3