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Data Poisoning Attack: This involves inputting antagonistic training data into the classifier. The most common type of attack we observe is model skew. Attackers pollute training data in this way, making classifiers tilt to their preferences when classifying good data and bad data. The second attack we have observed in practice is feedback weaponization, which attempts to abuse the feedback mechanism to manipulate the system to misclassify good content as abuse (e.g. Competitor's content or part of retaliatory attacks).[Truth] On the afternoon of that day, surging news released "Talented Women from Peking University Journalism Department Return to Their Hometown to Start Businesses and Deliver Express Party: It is a diploma from a junior college to a junior college. It points out that some netizens questioned the report that the School of Journalism and Communication of Peking University was established in 2001. How did Xu Lu enter the school in 2000? In addition, some netizens released a list of students admitted to Peking University in 2000, none of whom was named Xu Lu. The reporter called Xu Lu herself about these doubts. She said: "I graduated from a specialized college in Beijing in the first half of 2003, then took the adult education examination, and entered the School of Journalism and Communication of Peking University in February 2004 to study for a bachelor's degree in journalism. Therefore, I was promoted from a specialized college to a bachelor's degree in adult education." Xu Lu said that she was not admitted to Peking University in 2000 as written in the report. In an interview, she also stressed to reporters that she was a junior college student.6. Print screenshots of transaction records paid by third-party platformsEXAMPLE 4影片《嗨起，打他个鬼子》讲述的是1938年，国民党南京政府西迁重庆后，贵阳成为战略重地，日军为打通西南通道，派遣小分队到贵州腹地进行情报窃取工作，从而引发贵州少数民族英勇抗日的故事。高冷转校生邂逅帅气学长，落魄大叔碰上鬼马小精灵，服装系美女收到神秘快递……三个特殊的守护者，如何治愈大城市里孤独的心？