dialog triggers efficiency help

Hey all, so I'll just get straight to my problem.

Basically I'm creating a map in which there are 4 players, and each have a turn at choosing an element, or a hero, or basically an option which will vary on how they play the game. Obviously I'm doing this in dialog format so this is what confuses me.

I want no choice to be chosen twice. So basically when a dialog is chosen, I give the player that chose it their "option", and then it's the next player's turn to choose, but this is where the problem comes in. How can I create efficiently few triggers to remove dialog buttons that are already chosen? For example, if the choices were 1-8 (since I have eight buttons), and the first player chose #3, how can I make sure players 2-4 can't choose #3 without using tons of triggers? I do not want to create tons of triggers just to vary one option.

Please help as any advice is appreciated. Thanks in advance! And if you can suggest a different method of doing this, please post something. Thanks again!

You simply clear the dialog and add the buttons again, leaving out the ones you don't want.

Yes but as I said, I have 8 choices. Doing this for every choice I will have like ... way too many triggers at the end. Anyways thanks for helping; I guess I can use a Tavern for this problem then.

Pretty Easy Actually...

I assume you're using GUI. If not I can make it in jass :)

I actually think that will work lol. Well I'm using a tavern now but thanks anyway +rep