Finally Sunset looked around and, seeing no one nearby, turned to Rose with a sleepily curious expression. In a cautiously soft voice potential listeners might put down to tiredness, she asked, "Um, Rose? How did you know what to do back there? That's been bugging me ever since I had a minute to think about it. I mean, that wasn't exactly what you were trained for, right?" Not wanting to speak more explicitly, she gestured vaguely in the general direction of Ponyville, the portal hidden there, and by extension the other world.