The token management system is to replace something in kind or right with something or a mark. When the desired behavior appears, it will be strengthened by a certain number of "marks". After the behavior is expected to persist for a period of time, the "mark" will be based on the incentive system prepared in advance Converted into material rewards. Based on the above definition, Which of the following options are not part of the token management system:. ['Kindergarten teachers often use little star stickers to encourage children who perform well.', 'An enterprise determines the monthly bonus according to the number of praises received by employees each month.', 'The game stipulates that the winner can get a lottery ticket, and the accumulated lottery ticket can be exchanged for a prize.', 'Customers earn points for shopping at the mall, and redeem points for discount cards at the end of the year.']