Person in a brown sweatshirt does a flip in midair over a trampoline with a river and electrical lines in the background .
It is certain that person is getting a workout on the trampoline in the park .
It is unlikely that person is getting a workout on the trampoline in the park .
It is certain that person is getting a workout on the trampoline in the park .
Person is getting a workout on the trampoline in the park .