Where would you use a changing room before gym?
Options:
- gym
- clothing store
- change baby's diaper
- department store
- schools
Step-by-step reasoning process 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
School has a changing room. School has a gym. Schools are places of study. School is a place. The answer: schools.