The overlord clause is that individual businesses use information asymmetry, imbalance in supply and demand, and their monopoly position to impose unequal consumption clauses on consumers. This is manifested in the fact that some operators unilaterally evade legal obligations, violate the principle of fairness, and damage contract Unequal clauses in the form of a contract of personal interest, or the content of a contract in the form of a violation of notice, statement, store notice or industry practice. According to the above definition, which of the following phenomena does not belong to the overlord clause? ['Studio regulations, unselected video works and negatives when taking wedding photos, samples are owned by the studio, customers must pay separately if necessary.', 'A beauty salon requires that after applying for a beauty card, if the card is returned, half-price items must be settled at the full price.', 'A notice posted in a supermarket, discounts, special offers cannot be returned.', 'Refuse to pay for restaurant meals during meals and eat overlord meals.']