There can't possible be a way, the reason being the following:
% b5 [/ C# p* n! O$ \5 U' rtvb now,tvbnow,bttvbeveryday the person being picked is randomly generated, that means for a person to have 99.99% chance of being picked that takes over 600 days
& T4 Z, ^( Q6 B# C9 f; |5.39.217.76lets just assume only 2 person in the entire group is the unlucky one, and that would case over 4 years of time just to get everybody out in the yard once
" s# O, U5 W$ {any solution proposed would be statistically impossible. |