Utilize the input text as a context reference, choose the right relationship between Eurostat and European Commission 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 European Commission says that milk production rose 5% in the EU last year and Eurostat data show that Ireland had the largest year on year increase in percentage terms in milk deliveries to dairies, with May 2015 deliveries at 875m litres — an increase of 90mn litres (11.4%).

Answer: parent_organization