This puzzle/game is played with groups of people, in which at least one of the participants knows the meaning of "MLN", and the others are trying to figure it out.
All players must sit in a circle, facing each other. Then the people who do not know what "MLN" stands for take turns to ask questions. Every question must start with "Is MLN..." and must have a "yes" or "no" answer. Then a player who knows the meaning of "MLN" answers the question and the game continues until everyone solves the puzzle.
To play this game with your friends, at least one of you must know the solution, which is explained below. Just keep in mind that whoever reads it, will lose the enjoyment of figuring it out by himself.
The abbreviation "MLN" stands for "My Left Neighbor". For example, if someone asks "Is MLN a boy?", the answer will depend on the gender of the person on their left side. This makes the game both interesting and confusing.