Refer to the input text as context and select the correct relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the available options.
Options: owned by, platform, chairperson, currency

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