What is the relationship between Fininvest and holding company 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.

"A deadline of 30 September has been set for transfer of the stake and payment of the USD527.17 million by 30 September," a spokesman for Berlusconi's holding company Fininvest spokesman told Reuters.

Answer: industry