Analyze the relationship between 'Eurostat' and 'European Commission' within the context of the input sentence.
Options: position held, parent organization, industry, member of

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%).
parent organization