Refer to the input text as context and select the correct relationship between 'Glencore' and 'mining' from the available options.
Options: subsidiary, parent organization, industry, headquarters location

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