Refer to the input text as context and select the correct relationship between 'GLENCORE' and 'mining' from the available options.
Options: original broadcaster, owned by, distribution format, industry

* GLENCORE - Global mining and trading firm Glencore Plc and Australia's Bloomfield Group agreed to acquire Vale's Integra coal mine in Australia for undisclosed terms, the buyers said in an emailed statement on Wednesday.
industry