What is the relationship between gold mine and gold in the context of the input sentence. Choose an answer from: 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.

And then of course, as we're all watching, gold prices are hitting an all-time high, and the mine will be starting up their new gold mine here in the second half of the year.

Answer: product_or_material_produced