human
<unk>item_id_0> a dark cavern with a stalactite hanging from the ceiling.
assistant
The tunnel constricts on all sides as it leads further into the deepening darkness. Five lines of scratch marks follow along either side of the rivulet that runs down the center of the ground, though there are no other signs of who -- or what -- may have made them. A stalactite dangling from the ceiling almost completely blocks further passage.