Descr1: 1. A person jumps off a rock
  2. The person spins while floating in the air
  3. The person falls on a slope and slides down along the slope
  4. The person gets up from the ground
Descr2: 1. The player stands beside a downward slope
  2. The player jumps down on the downward slope
  3. The player collides with the downward slope
  4. The player rotates about a vertical axis