In the context of the input sentence, determine the relationship between 'Angeles' and 'Los Angeles'.
Options: distribution format, location of formation, 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