You shouldn't be using the "lollipop" style of mapping as seen in osm.org/way/1372794901. You need to create proper multipolygon relations in order to map features like roughs/bunkers that are within other features. Please see osm.wiki/wiki/Relation:multipolygon and osm.wiki/wiki/Tag:leisure%3Dgolf_course#Common_mapping_pitfalls for help in understanding how to map this situation.
And you shouldn't be creating a multipolygon just to split the fairway into two segments. That's not the right use of multipolygons.

 If those aren't clear, please let me know and I'll help explain them further. Thanks.
