BRUSSELS, July 7 The Eurogroup of euro zone finance ministers will hold a conference call on Wednesday to discuss an expected Greek request for a medium-term loan from the European Stability Mechanism (ESM), Eurogroup chair Jeroen Dijsselbloem said.
What is the relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' in the context of the input sentence.
Options: distribution format, owned by, chairperson, location of formation