Dunno, I suspect that most folks wouldn't after a weekend remember more than "It was mostly purple".
Seems like you need something like a small cartoon with variables like: 1-8 characters, 16 skies (moon, sun, storm, windy, snowing, hail, etc), 32 scenes (playground, beach, office, home, yard, forest, ski slope ...), species of each character, emotional state, etc.
Then people would remember things like 4 characters, it was snowing, and a mad cat was talking to a sad dog and 2 kids dancing on a mountain top.
Seems like you need something like a small cartoon with variables like: 1-8 characters, 16 skies (moon, sun, storm, windy, snowing, hail, etc), 32 scenes (playground, beach, office, home, yard, forest, ski slope ...), species of each character, emotional state, etc.
Then people would remember things like 4 characters, it was snowing, and a mad cat was talking to a sad dog and 2 kids dancing on a mountain top.