You raise your voice and ask the gigantic mechanical hand what criteria it is using to sort the gravel.
The hand gives no indication that it has heard you.
It continues selecting tiny stones with immense concentration.
A few moments later, it rejects one piece of gravel entirely and flicks it deep into the darkness beyond the chamber.
You realise you may not be close enough for the hand to hear you.
This is slightly complicated by the fact that it does not appear to possess ears.
The steady green glow continues pulsing softly through the room.
Choices: