Q: They robbers didn't just want the money the tellers had, they wanted to make sure they got the big load of money in the what?
Options:
- art show
- manager's desk
- pocket
- water fountain
- bank vault
A: Let me think step-by-step: Bank vault is place away from teller. Bank vault has a lot of money kept all together. Bank vault is a place in bank. The answer is bank vault.

Q: George checked the rotor of the Apache, which wasn't powered by internal combustion, but by what?
Options:
- jet engine
- helicopter
- electric motor
- rotator
- electrical circuit
A: Let me think step-by-step: A rotor can be powered by a jet engine. Jet engine has electric motor fitted in whih helps to power up the rotor. The answer is jet engine.

Q: What area is likely to have at least one concert hall?
Options:
- commercial building
- muscians
- theater
- university building
- downtown
A:

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
Let me think step-by-step: A university building has at least one concert hall for its students to showcase their musical performances there. The answer is university building.