The audience shuffles the playing cards and selects one of them. The audience puts the playing cards back. The magician shuffles the cards and divides the cards into four times. The first time is divided into red and black, and the second time is divided. For spades and clubs, hearts and squares, the third time the cards are divided into large and small numbers, namely A, 2, 3, 4, 5, 6 and 7, 8, 9, 10, J, Q, K. Each time The audience can take a stack of cards and tell whether the card he chose is in his hand. The magician can use the polygraph of this program to know whether the audience is telling the truth. The last time the audience is scanned with the mind reader. The phone will show the audience selected. Parker.