Descr1: 1. A person sits on a chair in front of a desk
  2. The chair starts to rise vertically with the person on it
  3.  Both the chair and the person clips through the ceiling
  4. The chair and the person keeps moving upwards until they completely disappear
Descr2: 1. A man is sitting on a desk chair
  2. The man on the chair floats upwards
  3. The man in the chair floats through the ceiling
  4. The main in the chair has disappeared through the ceiling