Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: What kind of building would you expect to find a skylight?
house
A building with a large open roof area or a multi-story structure. (Note: This answer is not complete, but it is the best answer