A new report estimates that Bank of America , Citigroup , JPMorgan Chase , and Morgan Stanley have lent $350 million apiece to the troubled commodity giant Glencore PLC — meaning they will be on the hook for potential losses if things deteriorate at the trading and mining company.
Utilize the input text as a context reference, choose the right relationship between 'Glencore' and 'mining' from the options.
Options: industry, product/material produced, director/manager, operator