To finalize, create the urgency for a decision to be struck. "We need to choose". If a compromise can't be reached, authority needs to be used. Make sure all parties know why that decision was made (nobody could agree at it so that we will try X.)
Articles, etc, will always carry ambiguity, you can be as precise as you want, but if somebody has different cultural contexts or just wants to make you sound wrong, they'll fail to do it, and that's part of dealing with ambiguity, there's no way to precisely be sure that every party is aligned.