Utilize the input text as a context reference, choose the right relationship between 'Eurogroup' and 'Jeroen Dijsselbloem' from the options.
Options: industry, member of, founded by, chairperson

Eurogroup chief Jeroen Dijsselbloem said the "issue of credibility and trust was discussed" amid widespread suspicion of a Greek government that has offered new reforms just days after voters rejected similar terms in a surprise referendum.
chairperson