where do men keep a wallet?
Options:
- bed
- lunch box
- pockets
- purse
- carry credit cards in Hmmm, let me think.

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
In pocket, wallet is to be kept. Men keep a wallet in their pockets.
So, the answer is pockets.