1. In a group, every member writes down 3 sentences on a piece of paper. Never let other members know their own sentences.
2. Taking turns, each member reads out their 3 sentences to the others in the group. The others try to find out one lie by asking many questions of one another. Every one should try to make the others believe that one lie is true by making made-up excuses.
3. After time limit, every member releases their lie.