What is the relationship between Saipem and Eni 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.

** Italian oil and gas group Eni is in touch with cash-rich state holding Cassa Depositi e Prestiti (CDP) as it looks for ways to take the debt of its Saipem unit off its balance sheet, Eni's chairwoman said.

Answer: parent_organization