Given the task definition and input, reply with output. 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: Barnett House also known as Big Spring is a historic home located near Elliston Montgomery County Virginia. The house was built about 1808 and underwent a radical transformation in the early 20th century. It is a two-story five bay brick dwelling with a single pile central passage plan. The front facade features a one-story wraparound porch through the two-story portico across the facade.
Question: The document can be classified to which topic?
Options: 1)Company, 2)Album, 3)WrittenWork, 4)Building, 5)Plant
4