Take context from the input text and decide on the accurate relationship between 'Glencore' and 'mining' from the options provided.
Options: subsidiary, parent organization, headquarters location, industry

JOHANNESBURG/LONDON Sept 29 (Reuters) - Glencore (Amsterdam: GX8.AS - news ) said on Tuesday it was strong enough to ride out current volatility in commodity markets which helped to lift the mining group's shares by a fifth.
industry