Well... [It does sound familiar and homey an idea, building proper mazes. Appealing. But there's an issue with the practicality of it, if they're not using any electricity to automate things.] I don't want, to wait outside, with the apples.

[Worn out by the surgeries and mild malnutrition and lack of good exercise as he is, he could still throw an apple at someone. It wouldn't take too much to just keep a few apples in his pockets - even if it would weigh more than summoning a bone. Besides, the real crux of the matter is:] Something like the lights... so they don't come inside. Whoever they were.

[Sans - and the other rescuers - haven't figured out that part of the mystery, have they...?]