The ladder is back in the supply closet where it belongs, and by the time Pandora comes back out, the girl from earlier is standing there again. It's not an especially hard deduction to make as to what happened while they were out of sight. They walk slowly over to the other girl and, carefully and loosely, place their arm around her shoulders.

"Hey. Do you want to go somewhere less busy and talk about anything? You can say no," they are absolutely certain to add.