Complex sentence: In 1986, Dong Ja Yang asked Kim un-Yong to lower the black belt fee for Taekwondo, which resulted with his removal from the WTF Pan American Taekwondo Union.
Split into simpler sentences: In 1986, Dong Ja Yang asked Kim un-Yong to lower the black belt fee for Taekwondo. The response was his removal from the WTF Pan American Taekwondo Union.