A lot of rivers flow in and out of what body of water?
Options:
- ocean
- peninsula
- pond
- lake
- creek Let's give stream of consciousness first:

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
Rivers flow into a lake. Lake is a body of water.
Therefore, the answer is lake.