The original text doesn't seem to mention that the poet's name is Liu, but it should be Tao Yuanming, probably because of the different versions. If it is Liu, it should refer to Liu Yuxi.
Xie Lingyun, he is a representative of the pastoral school, and he and Tao Yuanming can be said to be the ancestors of the pastoral school. Although his poems are characterized by landscapes and idylls, they are often entrusted, and the words used are unnatural and slightly obscure, while Tao Yuanming's poems are more natural.
Ruan Ji is one of the seven sages of bamboo forest. They chat, drink and study metaphysics.
Yu Xin and Bao Zhao were both poets in the Southern and Northern Dynasties. They are the targets of later poets, especially those in the Tang Dynasty. Li Bai's dream is to be the second in Bao Zhao. They set an example for poets in the Tang Dynasty.