Complex sentence: The role of the Prime Ministerial Consort is not an official office and as such they are not given a salary or official duties, some spouses, such as Norma Major have chosen to remain very much in the background.
Split into simpler sentences: The role of the Prime Ministerial Consort is not an official office and as such they are not given a salary or official duties. Some spouses, such as Norma Major have chosen to remain very much in the background.