on mine of stone:
    if player has permission "drop.vip":
        chance of 45%:
            give 1 coal to the player
        chance of 30%:
            give 1 redstone to the player
        chance of 2%:
            give 1 diamond to the player
        chance of 4%:
            give 1 emerald to the player
    else:
        chance of 20%:
            give 1 coal to the player
        chance of 15%:
            give 1 redstone to the player
        chance of 1%:
            give 1 diamond to the player
        chance of 2%:
            give 1 emerald to the player