Perhaps this could be done well in advance of the event. We could thank them and say that we are pleased that they invited us to participate in the wedding.
٨ كَيْفَ يُسَلِّطُ سِفْرُ ٱللَّاوِيِّينَ ٱلضَّوْءَ عَلَى سُلْطَانِ يَهْوَهَ ؟‏