Online gambling company GVC Holdings (Other OTC: GMVHF - news ) dropped as it said it could go hostile in the £1bn tug-of-war for Bwin.party Digital Entertainment if Bwin's board recommends a lower offer from 888 Holdings Plc, the Times reported.
In the context of the input sentence, determine the relationship between '888 Holdings' and 'gambling'.
Options: product/material produced, industry, subsidiary, business division