human
Produce a detailed written description of a spooky scene inside a cave cavern with a river and water.
assistant
To the west, the cavern narrows considerably as some of the walls have crumbled towards the middle of the passageway. A clammy breeze stirs some dust into a whirlwind as it passes through the narrow openings in the crumbled stones. A small river of water winds through the piles of refuse that litter the ground.