He finished first. Why didn’t he win?
Adding legs to a snake: an unnecessary addition spoils something that already works.
Find evidence in the story
The first person to finish drawing a snake would win. One finished first but added legs. Another completed a snake and pointed out that snakes have no legs.
Fits: a complete notice gains a joke that makes its instructions confusing.
Different: adding a missing location makes an incomplete notice useful.
A teaching example, adapted from our course materials.











