I see small hole for round item in the door.
$question gen 1
Put in:
Special Vine Bottle
player:item_count_BOTTLE>=1
$go 1
$go 2


$1:
I inserted the bottle into the recess. A second later there was a click, and it disappeared from the recess.
Door is open.
$cmd player:take(BOTTLE)
$end


$2:
There is no necessary item!
$end

