Please elaborate on the three stages of Yu Hua's literary creation. Thank you.

Yu Hua's literary creation was divided into three stages: Stage 1: 1980s to early 1990s At this stage, Yu Hua's literary creation mainly revolved around personal experience, social reality and human nature exploration. His representative works included Alive, The Story of Xu Sanguan Selling His Blood, and Shout in the Drizzle. These novels depicted the suffering life in the Chinese countryside, showed the fragility and tenacity of human nature, and expressed Yu Hua's deep insight and criticism of social reality. Second Stage: 2000s to Early 2010s At this stage, Yu Hua's literary creation paid more attention to the exploration of literary forms and techniques. His representative works included " Brothers,"" Xu Sanguan Selling Blood,"" The Seventh Day," and so on. These novels used different narrative techniques and literary styles to present more complicated character relationships and plot structures to express Yu Hua's thoughts on human nature and emotions. Stage 3:2010 to the present The third stage was the main stage of Yu Hua's literary creation, which paid more attention to social and cultural criticism. His representative works included " The Seventh Day,"" Crying in the Drizzle,"" Alive to Say Goodbye," and so on. These novels deeply explored the problems of modern society, such as the distortion of human nature, cultural fracture, environmental pollution, etc., expressing deep thoughts and appeal to social problems. Yu Hua's literary creation is divided into three stages, each stage has its own unique style and theme. In the first stage, he described the suffering life in the Chinese countryside, showing the tenacity and fragility of human nature; in the second stage, he paid more attention to the exploration of literary forms and techniques; in the third stage, he paid more attention to social and cultural criticism, expressing his deep thinking and appeal to social problems.