Reference dependence refers to the individual's judgment of the value of gain and loss based on a reference point. Above the reference point, the individual's feelings are gains, and vice versa. The perception of losses and gains depends on the choice of reference points. According to the above definitions, which of the following is not a reference dependency? ['Ms. Zhang had to suspend work for half a year because of childbearing and breastfeeding. She lost many customers and was distressed. But she became happy again when she saw her healthy and lively son.', 'Zhang was originally very satisfied with the income. He heard that he joined the company at the same time as himself. Now that Xiao Li, who is also a project manager, has a 10% higher income than himself, he is not so satisfied with the income.', 'The researcher designed an experiment to inform the subjects that their neighbors had lower monthly hydropower expenditures than they did, and found that the subjects ’household energy consumption was significantly reduced next month.', 'My sister scored 99 points on the mid-term exam and 95 points on the final exam. My mother criticized her; my brother scored 75 points on the mid-term exam and 85 points on the final exam. His mother rewarded him.']