sentences:  Due to the increasing restrictions or eventual ban on tobacco advertising in sport, Benson and Hedges last sponsored the invitational Masters in 2003 and Embassy's long-standing association with the World Championship concluded after the 2005 tournament.With cutbacks necessary (due to loss of tobacco funding) and fewer events, the main tour roster was reduced to 96 professionals for the start of the 2005/2006 season.Afterwards, the number of events on the circuit started to dwindle.