Utilize the input text as a context reference, choose the right relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options.
Options: owned by, platform, currency, chairperson

Eurogroup chief Jeroen Dijsselbloem said the "issue of credibility and trust was discussed" by ministers, who are wary of the Greek government's commitment to enacting the new reforms which closely resemble those rejected by voters in a surprise referendum.
chairperson