This has been bugging me for ages. My younger sister and her bff have a mind reading game that no one is able to figure out and I can’t find it online.

Person A steps away (into another room or outside) while person B stays in the room full of people. The room of people decide on an object for person A to guess when she is called back in. Once Person A comes back in the room person B will ask her, “is it this ____?” Or “is it ____?” Person B will ask any number of times but when they ask if it was the object the group chose, person A will ALWAYS know and say yes.

They have no rules for the group, person A and B can both have their eyes shut, be in different rooms, the room of people can decide how many guesses they get, if they’re allowed to speak or point or not. I can’t figure it out and it’s DRIVING ME NUTS.