Utilize the input text as a context reference, choose the right relationship between 'Glencore' and 'Mining' from the options.
Options: chairperson, platform, industry, owner of

Glasenberg unable to 'read China' as Glencore slumps to huge loss Mining company Glencore's sharemarket float minted six billionaires in 2011, with Ivan Glasenberg and five other executives together controlling stakes worth $24 billion ($32.7 billion).
industry