Utilize the input text as a context reference, choose the right relationship between Bwin and sports betting from the options. Options: 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.Party, created by the merger of sports betting group Bwin and online poker group PartyGaming in 2011, said in November that it was considering a range of proposals from interested parties.

Answer: product_or_material_produced