Utilize the input text as a context reference, choose the right relationship between Lonmin and Mining 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.

Miners Evraz , Lonmin (LSE: LMI.L - news ) and Acacia Mining (LSE: ACA.L - news ) were trading in the red as metal prices tentatively recovered from a three-day decline.

Answer: industry