Refer to the input text as context and select the correct relationship between 'Bwin' and 'sports betting' from the available options.
Options: director/manager, product/material produced, chairperson, legal form

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.
product/material produced