You're right, there was an error. I've fixed the question in the quiz, and it's shown as it is now.
Shown in a box to the one who made the quiz, after they gave a question a thumbs down and said it has an error, and Claude ("I") checked it, found an error and fixed it: the question in the list is now the fixed one. In the first person, as Tjaz's AI speaks
Du häsch rächt, es hät en Fähler gha. Ich ha d Frag im Quiz korrigiert, und jetzt gsehsch si so, wie si neu isch.