Stream of consciousness rationale: A bad dream can be seen by a person only in his or her head. You could see a sloth in bad dreams that only exists in your head.
The question and answer pair are described below.

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
Q: Where could you see a sloth that only exists in your head?
Options:
- picture book
- bad dream
- another place
- universe
- rainforest
A: bad dream