Complex sentence: In Canada, Quebecor Media Incorporated debuted its Sun News Network on April 18,2011 that seeks to emulate Fox News Channel's mix of conservative news and opinion and tap into a particular market within Canada.
Split into simpler sentences: In Canada, Quebecor Media Inc. debuted its Sun News Network on April 18,2011. It seeks to emulate Fox News Channel's mix of conservative news and opinion and tap into what it perceives as a particular market within Canada.