You can hear the sounds of an argument from down the path. And after a few minutes the source of the argument comes into veiw. You can see two skeletons, one taller than the other. The argument turns out to be more of a one sided scolding as the Taller Skeleton rants to the shorter one. Papyrus: "Five minutes Sans! I left you alone for five minutes and you couldn't even keep guard for that long!?" Sans, the shorter skeleton, rolls his eyes.