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.
Take context from the input text and decide on the accurate relationship between 'Glencore' and 'mining' from the options provided.
Options: product/material produced, director/manager, industry, operator