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.

The euro strengthened against the dollar yesterday after strong readings on trade and economic growth in the Eurozone helped support the shared currency.

Answer: currency