Where do people go to gain knowledge?
Options:
- apartment
- populated areas
- museum
- classroom
- race track Let's think step by step:

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
People go to educational institutes to gain knowledge. Educational institutes have classrooms. People sit and study in classrooms. So, the answer is classroom.