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.

Let me give you an example: Text: The Mansfield Building Society is a UK building society which has its headquarters in Mansfield Nottinghamshire. It is a member of the Building Societies Association.
Question: The document can be classified to which topic? Options: 1)Animal, 2)Plant, 3)Building, 4)Company, 5)WrittenWork
The answer to this example can be: 3
Here is why: Mansfield Building Society is a UK building society. Hence, option 3 is the correct answer

OK. solve this:
Context: Ridgewood Farm is a historic farm complex and national historic district located in Cumru Township Berks County Pennsylvania. It has eight contributing buildings and five contributing structures. They are a two story vernacular Federal sandstone farmhouse (c. 1810); sandstone Pennsylvania bank barn (1809); sandstone summer kitchen / butcher house; 1 1/2-story sandstone produce storage building (1810); ground cellar; stone wall; and other outbuildings.
Question: The document can be classified to which topic?
Options: 1)Building, 2)Company, 3)WrittenWork, 4)Athlete, 5)Plant
Answer:
1