What is the relationship between 'Glencore' and 'mining' in the context of the input sentence.
Options: employer, industry, subsidiary, developer

LONDON, Sept 28 (Reuters) - Glencore (Xetra: A1JAGV - news ) shares sank more than 10 percent to a new record low on Monday, with the mining and trading company's drive to sell assets to cut heavy debts failing to soothe fears over slumping metals prices.
industry