What is the relationship between Nord Pool and Euronext 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.

One part of the strategy of Nord Pool now being an important component of the Euronext group is to facilitate and boost the Nord Pool initiatives across the European continent.

Answer: parent_organization