Complex sentence: On October 12,2007, WNAC invoked the FCC's network non-duplication rule, resulting in Comcast blacking out FOX primetime and sports programming from Boston's WFXT on its cable systems in Bristol County, Massachusetts.
Split into simpler sentences: On October 12, WNAC invoked the FCC's network non-duplication rule. This resulted in Comcast blacking out FOX primetime and sports programming from Boston's WFXT on its cable systems in Bristol County, Massachusetts.