Betfair Group Plc (LSE: BET.L - news ) and Irish rival Paddy Power Plc (LSE: PAP.L - news ) , both licensees of Playtech, on Wednesday agreed to a 5 billion pound merger, to stake a claim to leadership of Britain's online gambling market.
Take context from the input text and decide on the accurate relationship between 'Betfair' and 'online gambling' from the options provided.
Options: product/material produced, industry, platform, distributed by