Cyber violence is the phenomenon of network anomie that causes the actual harm of the parties to the parties. According to the definition above, Which of the following options are cyber violence:. ['An illegal MLM group goes offline with the help of online development.', 'A football club fan sets up a website and asks the head coach to leave the class.', 'An artist likes to break the news on Weibo to increase his Weibo traffic.', 'After the privacy of a draft player was exposed online, he announced that he would abandon the promotion opportunity.']