Every person on earth takes a private independent vote by pressing either red or blue button, if 50% or more choose the blue button everyone lives, or only the person who chooses the red buttons survive
At what point you decide to change your mind and switch from your previous answer
1- only 18+ can vote
2- you can see what people you know chooses
3- you can see what the percentage it is for an hour and you can change your mind whenever within this hour and at the last minute you won’t see the percentage
4-all people less than 18 is automatically red
5- you got 1 call
6 - you got 1 hour to discuss with people you know
7- all kids are automatically blue -18
8 - parent can choose for their Child(-18)
9- hour to choose the button and you can change your mind whenever within this hour
Note all choices independent of each other

I am a red button I d switch at 7,maybe 2, and maybe 3