Complex sentence: Bower's response was that she was working to get more ethnic diversity into the cast, but she also stated that she was angry that "Neighbours" had been singled out as Australian advertising also had a lack of ethnic actors.
Split into simpler sentences: Bower's response was that she was working to get more ethnic diversity into the cast. But she also stated that she was angry that Neighbours had been singled out as Australian advertising also had a lack of ethnic actors.