Complex sentence: In addition, several provinces operate public broadcasters; these are not CBC subentities, but distinct networks in their own right and usually maintain an educational programming format, differing from the primarily entertainment-based CBC/Radio-Canada operations.
Split into simpler sentences: In addition, several provinces operate public broadcasters; these are not CBC subentities, but distinct networks in their own right. Most of the provincial services maintain an educational programming format, differing from the primarily entertainment-based CBC/Radio-Canada operations.