Q: 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: Null House is a historic home located at Baltimore Maryland United States. It is a 2 12-story three-bay wide dwelling of wood-frame construction that was built between 1782 and 1784. It is a rare specimen of the early wooden clapboard building. The facade features a one-story wooden Italianate storefront of later construction with large store windows and two entrances.
Question: The document can be classified to which topic?
Options: 1)OfficeHolder, 2)Building, 3)Plant, 4)NaturalPlace, 5)Animal
A:
2