Glencore (GLEN.L) held talks with Congolese officials in Kinshasa on Thursday over the company's plans to suspend some copper output at its Katanga Mining unit for 18 months, an adviser to the prime minister said.
Analyze the relationship between 'Katanga Mining' and 'Glencore' within the context of the input sentence.
Options: business division, parent organization, chief executive officer, stock exchange