One of them announces a quiz question, and the other is thrilled to play along.
Culture note In Japanese, kiwi (kiui) sounds a little like cucumber (kyūri).
The words appear when the audience laughs.
問題つまんないのよ
—your questions are so boring.
Textbook問題がつまらないんです。'つまらない' contracts to 'つまんない' (ら → ん before な); the particle が is dropped, and 'のよ' adds an exasperated explanation.
Speed: slow
All lines