#288: Elevator explain

[Elevator panel, with a Certificate of Inspection and five floor buttons, numbered 1–4. The fifth button is unlabeled.]

[Cueball thinks.]

[Cueball writes something on a small piece of paper.]

Write Write

[Cueball tapes it onto the panel.]

[Elevator panel, with the same Certificate and buttons, and with the piece of paper labeling the fifth button “Zeppelin!”]

[Cueball presses the new “Zeppelin!” button.]

[Elevator moves.]

Elevator: Ding

[Cueball is looking out the door of a Zeppelin. The Zeppelin is flying over a green landscape with many lakes.]