What is the relationship between 'Angeles' and 'Los Angeles' in the context of the input sentence.
Options: location of formation, distribution format, member of, business division

Joining customers like; Los Angeles County in California, were Los Angeles Water and Power San Bernadino County Employees Retirement Association, the cities of Huntington Park and Dana Point, the University of California Davis, The Santa Ana Unified School District and the Greater Los Angeles VA Medical Center.
location of formation