Complex sentence: The MCPNG's purpose is to provide innovative solutions to strengthening the media in PNG, as enhancing the capacity of the media, and to act as a "watch-dog, agenda-setter and gate-keeper".
Split into simpler sentences: The MCPNG's purpose is to provide innovative solutions to strengthening the media in PNG. It is also responsible for as enhancing the capacity of the media, and acting as a "watch-dog, agenda-setter and gate-keeper".