on mine of stone:
    chance of 1%:
        give 1 iron ore to the player
        send "Gratulacje. Znalazles rude zelaza"
    chance of 1%:
        give 1 gold ore to the player
        send "Gratulacje. Znalazles rude zlota"
    chance of 1%:
        give 1 diamond to the player
        send "Gratulacje. Znalazles diament"
    chance of 1%:
        give 1 emerald to the player
        send "Gratulacje. Znalazles szmaragd"
    chance of 1%:
        give 1 coal to the player
        send "Gratulacje. Znalazles wegiel"