Complex sentence: Manchester Futsal Club is an English futsal club, based in the Greater Manchester area, who have competed in the National FA Futsal League since its inception and is one of the most prominent and established futsal clubs in Great Britain.
Split into simpler sentences: Manchester Futsal Club is an English futsal club, based in the Greater Manchester area. They have competed in the National FA Futsal League since its inception and are one of the most prominent and established futsal clubs in Great Britain.