Psychologists believe that in general, people are reluctant to accept higher and more difficult requirements, because it is time-consuming, labor-intensive, and difficult to succeed. On the contrary, people are willing to accept smaller, more easily completed requirements, After a small request, people slowly accepted the larger request, and this is the "entry threshold effect". According to the above definition, Which of the following does not meet the threshold effect is F. ['A salesman always carefully records customer needs and regularly promotes new products to them.', 'Residents are asked to sign a petition in favor of safe driving, and a few weeks later they are asked to put up a sign saying "careful driving" in front of their house.', 'The headteacher of a high school does not ignore every little progress of the students, and helps them set short-term goals to promote them to the ideal university.', 'A 10,000-meter long-distance champion said: "I divided 10,000 meters into 10 segments. I kept the lead in each segment, so I won. ".']