Utilize the input text as a context reference, choose the right relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options.
Options: operator, chairperson, legal form, parent organization

Eurogroup President Jeroen Dijsselbloem said on Friday euro zone finance ministers may make a "major decision" when they hold an emergency session on Saturday to weigh the Greek proposal.
chairperson