Complex sentence: The National Sheriffs' Association (NSA) is a U.S. trade association dedicated to raising the level of professionalism among U.S. sheriffs, their deputies and others in the fields of criminal justice and public safety.
Split into simpler sentences: The National Sheriffs' Association (NSA) is a U.S. trade association. Its state purpose is to raise the level of professionalism among U.S. sheriffs, their deputies and others in the fields of criminal justice and public safety.