Complex sentence: From November 1,2011 Northern Ireland will be exempt from the higher rates of Air Passenger Duty this is due to Continental Airlines threatening to stop the direct Belfast-Newark flight due to lack of demand because of the tax.
Split into simpler sentences: From November 1,2011 Northern Ireland will be exempt from the higher rates of Air Passenger Duty. This is due to Continental Airlines threatening to stop the direct Belfast-Newark flight due to lack of demand because of the tax.