When someones is buying something what are they doing with their wallet?
Options:
- having to pay for
- losing money
- possessing more
- opening
- using money 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
Wallets carry money in them. Buying results in using money. Using money leads to having less money in the wallet.
So, the answer is using money.