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You suddenly realize how this childish behavior would disappoint your grandmother and you become flooded with mature thoughts. However, even after you and the non-rolling head have stopped laughing there are chuckles and guffaws issuing from the cavern behind you. You turn to see/hear light and laughter rising from a hole (of unknown size) in the rock floor.
  1. The hole is quite small.
  2. The hole is of moderate size.
  3. The hole is pretty darn big.