Utilize the input text as a context reference, choose the right relationship between Codelco and SANTIAGO from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

SANTIAGO Aug 3 Chile state miner Codelco said it would facilitate talks between striking contract workers and their employers, as a stoppage that has shuttered its smallest mine and affected others looked set to stretch into a third week.

Answer: headquarters_location