Utilize the input text as a context reference, choose the right relationship between OZ Minerals and copper 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.
Text: OZ Minerals has maintained its full year production guidance of between 110,000 and 120,000 tonnes for copper and between 100,000 and 110,000 ounces for gold.
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product_or_material_produced
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