Descr1: 1. A person rides a horse through the entrance of a manor
  2. The horse stops in front of the manor's main door
  3. The horse approaches a hitching post and its chest touches the hitching post
  4. The person falls off the horse
Descr2: 1. The player is riding a horse
  2. The horse walks towards a hitching post
  3. The horse collides with the hitching post
  4. The player falls off of the horse