Also you could look up some other, related quality instead and the result on the other side would still be the reverse. This cannot be explained using some hidd

Also you could look up some other, related quality instead and the result on the other side would still be the reverse. This cannot be explained using some hidden variable in the particles (like the color of your marbles), so it requires an action to happen in the distant particle dependent on which quality you chose to look up in the local particle.