[And they're off! Sans is trying to make a mental map of this place as he walks, though it's woefully incomplete for now. He's watching Christine, too--it's still possible she knows more about what's going on than she says. Once they actually get to the source of the music, though, Sans will concede:] Guess it's not ghosts. [But not humans, either. Sans isn't sure why he sort of expected to see humans.]
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