Refer to the input text as context and select the correct relationship between 'Glencore' and 'mining' from the available options.
Options: business division, founded by, subsidiary, industry

Glencore (Xetra: A1JAGV - news ) and Anglo American (LSE: AAL.L - news ) were the top fallers after Investec (LSE: INVP.L - news ) said the challenging environment for the sector calls into question the equity value of the mining companies.
industry