Your answer is Watching Tv.
Explanation:
- Simply walking is a way to exersize. That means, this answer choice is not correct.
- Watching Tv isn't a way to exersize. Therefore, this answer choie is correct.
- Gymnastics is a sport, and a beneficial way to exersize. Therefore, this answer choice is not correct.
- Cheerleading is also a sport, and a beneficial way to exersize. Therefore, this answer choice is also not correct.