Dispenser:
    type: world
    events:
        on block dispenses coal:
        - if <context.location.material.ends_with[1]> {
            - define location <context.location.add[1,0,0]>
            - if <li@stone|cobblestone.contains[<context.location.material.name>]> {
                - break <def[location]>
                } else {
                - narrate "Tak"
                }   
            }