Origin thinking: It refers to setting a person or thing to an origin, and often returning to the origin to think, perform state comparison, correct deviations, and continuously advance toward the goal. Which of the following belongs to origin thinking? ['How to see the excellent quality of people——focus on the performance of childhood.', 'Who is the Sinner in Chinese History——Qin Hui in the Song Dynasty.', 'Who can unlock the golden bell on the neck of the tiger-the bell must be tied.', 'How to deal with the relationship between people-often communicate.']