 So they're graded. There's a difference why you see the veterans work in the NBA finals. And again, the great referees, they know that their job is to get out of the way, make the call and make sure that the athletes decide the games. So that's the difference. I think what you're asking for an explaining of why some of these referees are great and why some are not so good. And that's what they get paid for. They are,