It was a test of character. There were actually 3 choices of something you had to give up. You could choose to give up your son, give up your daughter, or give up your qualification. The correct answer was to choose the unstated third option of being disqualified and trying to save both people. Real life doesn't play by rules.
I know. Let me ask this: What if they would have just ignored the stand and walked away? Think they would have been disqualified? She said they would and if the rules don't matter...