Complex sentence: The University of Salford Students' Union is affiliated with the National Union of Students (NUS) and is one of a few in the North West to trial the controversial NUS Extra Card in 2005, despite a rejection of the scheme from many students.
Split into simpler sentences: The University of Salford Students' Union is currently affiliated with the National Union of Students (NUS). The union is one of a few in the North West to trial the controversial NUS Extra Card in 2005, despite a rejection of the scheme from many students.