In the context of the input sentence, determine the relationship between 'Glencore' and 'Katanga Mining'.
Options: owner of, location of formation, parent organization, member of

Separately, Katanga Mining (Toronto: KAT.TO - news ) announced the suspension of copper and cobalt processing operations in the Democratic Republic of Congo site for 18 months, and confirmed the continuation of the planned investment of $880m into ongoing plant upgrades at the project, in which Glencore owns a 74pc stake.
owner of