I'll give you a question, please answer with step-by-step reasoning process. The bookend was on a shelf in what location?
Options:
- bookshelf
- pair
- school cafeteria
- library book
- school library

user
Shelf is a piece of furniture. School library is one of the places that have shelves. School library is one of the places where books are found. School library is a building or room.
The answer: school library.
assistant