troll v elves systm

[Black_Chidori]

can someone make a system where a dialog pops up for all players in game. it ask you do you wanna be troll yes or no if you say yes then youbecome troll but if more then one person say yes then it picks a random person to be troll same thing for no if noone says yes then a random person becomes troll. and once thats over all the people who are no troll becomes elves where they run and fine a place to build and gui plz a base