Paradox refers to making two mutually negative determinations of the same subject against the same object in the same thinking or debate process. Which of the following? ['At the beginning of reading "Liao Zhai Zhi Yi", Xiao Li thought that all the ghosts were blue-faced fangs, but after reading the complete book, he said that not all ghosts were blue-faced fangs.', 'Mr. Fang said when introducing the classification of organisms, "Eyeworms have both animal and plant characteristics. ".', 'Introducing the situation of animals in Antarctica, Mr. Wang said, "Although there are few species of birds in the Antarctic coast, there are many birds. ".', 'After Manager Zhang spoke, Lao Chen said, "I basically completely agree with Manager Zhang".']