Which statement BEST expresses the relationship between the rotating snakes illusion and the spiral staircase illusion?
The rotating snakes illusion is the same thing as the spiral staircase illusion.
The rotating snakes illusion is based on the spiral staircase illusion.
The rotating snakes illusion uses a dynamic stimulus, whereas the spiral staircase illusion uses a static stimulus.
The spiral staircase illusion is based on the rotating snakes illusion.