What is the relationship between bwin and sports betting 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.

Bwin, created by the merger of sports betting group bwin and online poker group PartyGaming in 2011, had a market value of about 816 million pounds as of Wednesday close, nearly triple that of GVC.

Answer: product_or_material_produced