Spilled condiments like spilled blood, maybe. Doesn't work so clearly with monthers, and other people who no longer have normal blood... but close enough.

"That sounds so sensible! Almost... too sensible?"

Papyrus looks to Sistina, expecting her to have some notion that shoots this one down. She shrugs her wings up, an un-birdlike motion to make her meaning clear.

"We're used to all this now... but if we weren't? We'd want to run out, and see everything."

"So others will too... I see, I see. Maybe... we could invite the carnival there? A nice big distraction, so nobody goes wandering."