"Sure, that," said Parvati absently. (This was one of the things, the others had noticed, which was different between her and Lavender, who were often treated by many people as interchangeable. Lavender would be annoyed if corrected; Parvati was too used to Padma doing it all the time to even notice.) "Anyway there's got to be a rule about that, right?" she continued. "So how come the goblins had to do it at all?"