What is the relationship between Fortum and Uniper 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.

With the process of the H1 reporting, Uniper and Fortum teams worked already intensively in order to enable Fortum to smoothly incorporate Uniper as a consolidated entity within Fortum’s half year financial statements.

Answer: owner_of