There were some bad pupils. They were hiding their prejudices from knowledge teachers were transmitting.

But after some time, they found out it is much better to look at them. In fact, teachers themselves didn't take the teachings to seriously.

So it looks like pupils in fact helped them? Now when they don't take the teachings seriously, they feel much plesent. Just no one understood why remmember and tell it. So now it became a game.

But strangely, some people became nervous.