You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Which South African professional boxer did  Cedric Kushner managed?" whose answer is Cornelius Johannes.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who is Cedric Kushner and which South African professional boxer he managed
Useful Output:

Doc 1: He made it to the top of the International Boxing Federation (IBF) pile thanks to Cedric Kushner+s now-acknowledged bribes to IBF boss Bobby Lee
Doc 2:  professional fights, nine by knockout. He is being managed by Mouthpiece Sports, but more importantly, he is being trained again by Rivera.
Doc 3: Boxers he promoted and/or managed included Hasim Rahman, Shannon Briggs, Oleg Maskaev, Chris Byrd, Corrie Sanders, Ike Ibeabuchi and David Tua.
Doc 4: Kushner in my time was a local icon who appeared to be a thug. He was popular, and captained the Muizenberg Spurs rugby team. When they played
Doc 5: Dan Rafael discusses the legacy of boxing promoter Cedric Kushner who died at age 66.