"What do you need boy robes for?" inquires Madam Malkins.
"I'm sometimes a boy," the girl explains.
"What?"
"Look—"
"Ends the game? So it doesn't end before, or is it a lower bound, or...?"
"I think it's literally the end? There have been matches that go on for a few days before, I think, but they're rare."
"… Why have there been matches that go on for days, or why is it the end, or…?"
"I didn't design it? But it's not awful, it's not like it causes anything seriously bad, just weird?"
"It's not, like, awful the way malaria is awful, but it's bad game design."
"… I'm not a huge sports fan but they mostly seem to be, uh, hit spheres at each other or things for, uh, reasons?"
"Well, it depends on what you call a sport, because, well, there's – wizard's chess, I'm guessing you know the nonmagical one?"
"It's, I think, pretty similar but the pieces move themselves and you can tell them where to go?"
"They both exist," he says. "There's a broom race through – I think it's Sweden? – every year, international thing."