Now this was a trick question. Actually they all were. But so far she'd been answering awesomely like the awesome person she was. And as for this one, she paused considering the question. Would the Prefects and the captains know better? Ummm...Well, they might have been chosen for this role? Maybe. She wasn't told why they were chosen actually.

"Well, last year they told us the trophies were stolen and it turned out as a joke," She commented before pressing down on the green button.

How does she know when are they joking and when not? Better to trust her own instincts.