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.

Just seven months into his term, Tsipras lost his majority in parliament after far-left rebels in his party opposed tough new conditions demanded by Eurozone countries for the 86 billion euro rescue package: Hikes in sales and business taxes, changes to public administration and labor laws opposed by unions, and further pension cuts to address the country's dramatically aging population.

Answer: currency