Complex sentence: In 1986, KMTV and WOWT entered into an agreement which allowed them to return to their original affiliations; as a result, KMTV rejoined CBS after 30 years with NBC on June 29,1986.
Split into simpler sentences: In 1986, KMTV and WOWT entered into an agreement which allowed them to return to their original affiliations. As a result, KMTV rejoined CBS after 30 years with NBC on June 29,1986.