What is the relationship between 'Glencore' and 'mining' in the context of the input sentence.
Options: subsidiary, founded by, legal form, industry

More general, heavily-weighted mining stocks suffered the brunt of the losses, with Glencore (Amsterdam: GX8.AS - news ) , Antofagasta (LSE: ANTO.L - news ) , BHP Billiton (NYSE: BBL - news ) , Rio Tinto (LSE: RIO.L - news ) and Fresnillo (Other OTC: FNLPF - news ) all in the red as metals prices declined across the board, with the exception of aluminium.
industry