Some children find the parking spots another group had made the day before. They negotiate where everyone will park, and decide they need to add another stall.
Suddenly one friend stops, saying, “Uh oh, I think I ran out of fuel.” His friend asks, “What kind of fuel do you need?”
“I need green fuel with leaves and rocks.” “Here you go!”
A few minutes later, the first friend says, “I need fuel again! This time I need pink fuel. It goes on the other side.” “Where do I get pink fuel?” “Over there!” “Here?” “No, that’s orange. I need pink.”
“Here?” “Yep!”
Then the second friend says, “Now I need fuel! I need blue.” “Here’s the blue fuel!”
“I need 100 gas.” “Don’t worry, I put in 100 gas!”
And the parking can begin again.