Complex sentence: The station is owned by NBCUniversal Owned Television Stations subsidiary of NBCUniversal, and is part of a duopoly with Telemundo station WSNS-TV (channel 44); it is also co-owned with regional sports network Comcast SportsNet Chicago.
Split into simpler sentences: The station is owned by the NBCUniversal Owned Television Stations, a subsidiary of NBCUniversal, and is part of a duopoly with Telemundo station WSNS-TV (channel 44). It is also co-owned with regional sports network Comcast SportsNet Chicago.