Utilize the input text as a context reference, choose the right relationship between Eurogroup and Jeroen Dijsselbloem from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

Eurogroup head Jeroen Dijsselbloem said the eurozone's finance ministers also opposed a haircut, but was ready to consider other options, including extending the period of the loans.

Answer: chairperson