I am cold, what should I do to stay warm?
Options:
- stay in bed
- light fire
- freezer
- lay on ice
- spit
Let's think carefully first. Step-by-step 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
When one is cold, you should get some heat to stay warm. Lighing fire near you will keep you warm. So the final answer is light fire.