Take context from the input text and decide on the accurate relationship between 'Bwin' and 'sports betting' from the options provided.
Options: product/material produced, director/manager, 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