Molefe also said the utility would seek 2 billion rand ($146 million) in compensation from global mining and trading firm Glencore Plc after business rescue administrators at its struggling local unit stopped coal supplies to Eskom's Hendrina power plant after a contractual dispute.
Take context from the input text and decide on the accurate relationship between 'Glencore' and 'mining' from the options provided.
Options: stock exchange, industry, original broadcaster, legal form