Use reasoning to lead to the answer of the following question:
What are adult people usually expected to do?
Options:
- shake hands
- own property
- pay bills
- smoke
- talk to each other
 Reasoning process:

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
Adults do not live with their parents. Adults work to earn money. Adults earn money to pay bills. Therefore, the final answer is pay bills.