Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: 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.

About Live Nation Entertainment Live Nation Entertainment ( NYSE : LYV ) is the world's leading live entertainment company comprised of global market leaders: Ticketmaster, Live Nation Concerts, Live Nation Media & Sponsorship and Artist Nation Management.

Answer: product_or_material_produced: entertainment company, Entertainment; subsidiary: Live Nation Entertainment, Live Nation; parent_organization: Live Nation, Live Nation Entertainment