What was the question for this implicit rationale, and corresponding answer?
Cabinet contains enclosed shelf. There are many shelves inside a cabinet.
 The answer: cabinet

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The question: What is likely to have an enclosed shelf?
Options:
- cabinet
- a mortuary
- bookstore
- school building
- bedroom