Q: Is the following a factual statement?
"Jackson Browne wrote music in the mid to late 20th century."
Options:
- yes
- no
Chain-of-thought:

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
Jackson Brown was alive and popular at that time. The answer: yes.