What is the fine-grained topic of the following text: "Hani al-Hadidi", on his social network site Twitter, said: "Mohamed Hani, the director of the cbc channels, leaves the work of the media as a sponsor and has presented the most important media project in modern Egypt. Only return the topic.
The fine-grained topic of the text is "Mohamed Hani's departure from media work as director of CBC channels".