A teen is standing in a field and is in the upswing position after hitting a golf ball.
The teenager is riding a horse in a steeplechase competition.
One cannot be standing and riding simultaneously.
One cannot be riding and standing at once. A horse in a steeplechase competition will not be found anywhere near a golf course. Golfing, and being in the upswing position after hitting a golf ball, cannot be done in or anywhere near a horse race.
A teen standing in a field can not be riding a horse in a steeplechase competition while hitting a golf ball can not occur in a steeplechase competition.