Utilize the input text as a context reference, choose the right relationship between eurozone and euro 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.

Germany and other eurozone leaders handed Greece a brutal ultimatum for desperately needed bailout cash Sunday, with Chancellor Angela Merkel pushing for a temporary euro exit -- or "time out" -- if it does not agree.

Answer: currency