What is the relationship between EU and European Union in the context of the input sentence. Choose an answer from: 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.

BRUSSELS (Reuters) - The European Union will impose anti-dumping duties on imports of Russian aluminium foil after an initial investigation showed the product was sold in the 28-nation EU at below normal market prices, the EU's Official Journal said on Saturday.

Answer: operator