Utilize the input text as a context reference, choose the right relationship between 'Glencore' and 'mining' from the options.
Options: business division, headquarters location, parent organization, industry

LONDON (Reuters) - Shares in mining and trading company Glencore fell almost 30 percent and closed at a record low on Monday over concerns it is not doing enough to cut its debt to withstand a prolonged fall in global metals prices.
industry