CHEAT HAND

Have you ever played « Which hand » with somebody, and this guy hid the coin behind his back ! Here is a devious way to overcome this problem. This principle can also be used to detect a liar in one or two questions only.
If you just want to know in which hand an object is located, only one question is enough (or even question at all by using another presentation that the liar/truth plot).The principle in use here is new, and will be very useful to you.
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