there is a problem here https://tools.geofabrik.de/osmi/?view=areas&lon=152.56501&lat=-26.94716&zoom=19
...MP outer ways conot touch
If you really want to draw as two pieces, try this way... with an outer and a part...
https://wiki.openstreetmap.org/wiki/Relation:building

https://wiki.openstreetmap.org/w/index.php?title=Relation%3Amultipolygon&uselang=en-GB